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Mozilla » Firefox Esr : Security Vulnerabilities (Memory Corruption)

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2021-43535 416 Mem. Corr. 2021-12-08 2022-03-17
6.8
None Remote Medium Not required Partial Partial Partial
A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3.
2 CVE-2021-43534 787 Mem. Corr. 2021-12-08 2022-03-17
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
3 CVE-2021-38504 416 Mem. Corr. 2021-12-08 2022-03-16
6.8
None Remote Medium Not required Partial Partial Partial
When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
4 CVE-2021-38501 Mem. Corr. 2021-11-03 2021-11-04
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.
5 CVE-2021-38500 Mem. Corr. 2021-11-03 2022-03-17
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
6 CVE-2021-38498 416 Mem. Corr. 2021-11-03 2021-11-04
5.0
None Remote Low Not required None None Partial
During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.
7 CVE-2021-38496 416 Mem. Corr. 2021-11-03 2022-03-17
6.8
None Remote Medium Not required Partial Partial Partial
During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
8 CVE-2021-38495 787 Mem. Corr. 2021-11-03 2022-05-03
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 91.1 and Firefox ESR < 91.1.
9 CVE-2021-38493 787 Mem. Corr. 2021-11-03 2022-05-03
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.14, Thunderbird < 78.14, and Firefox < 92.
10 CVE-2021-29989 787 Mem. Corr. 2021-08-17 2022-05-03
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.13, Firefox ESR < 78.13, and Firefox < 91.
11 CVE-2021-29988 125 Mem. Corr. 2021-08-17 2022-04-25
6.8
None Remote Medium Not required Partial Partial Partial
Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
12 CVE-2021-29985 416 Mem. Corr. 2021-08-17 2022-03-16
6.8
None Remote Medium Not required Partial Partial Partial
A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
13 CVE-2021-29984 787 Mem. Corr. 2021-08-17 2022-05-03
6.8
None Remote Medium Not required Partial Partial Partial
Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
14 CVE-2021-29980 909 Mem. Corr. 2021-08-17 2022-03-16
6.8
None Remote Medium Not required Partial Partial Partial
Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
15 CVE-2021-29976 787 Mem. Corr. 2021-08-05 2022-03-16
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
16 CVE-2021-29970 787 Mem. Corr. 2021-08-05 2022-04-25
5.1
None Remote High Not required Partial Partial Partial
A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
17 CVE-2021-29967 787 Mem. Corr. 2021-06-24 2022-05-03
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers reported memory safety bugs present in Firefox 88 and Firefox ESR 78.11. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.
18 CVE-2021-23994 909 Mem. Corr. 2021-06-24 2021-07-02
6.8
None Remote Medium Not required Partial Partial Partial
A WebGL framebuffer was not initialized early enough, resulting in memory corruption and an out of bound write. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
19 CVE-2021-23987 787 Mem. Corr. 2021-03-31 2022-05-03
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers and community members reported memory safety bugs present in Firefox 86 and Firefox ESR 78.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.
20 CVE-2021-23981 787 Mem. Corr. +Info 2021-03-31 2022-05-03
5.8
None Remote Medium Not required Partial None Partial
A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.
21 CVE-2021-23978 Mem. Corr. 2021-02-26 2022-05-27
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.
22 CVE-2021-23964 787 Mem. Corr. 2021-02-26 2022-05-03
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers reported memory safety bugs present in Firefox 84 and Firefox ESR 78.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
23 CVE-2021-23954 843 Mem. Corr. 2021-02-26 2021-03-03
6.8
None Remote Medium Not required Partial Partial Partial
Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
24 CVE-2020-35113 787 Mem. Corr. 2021-01-07 2021-01-12
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers reported memory safety bugs present in Firefox 83 and Firefox ESR 78.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
25 CVE-2020-26974 787 Mem. Corr. 2021-01-07 2021-01-12
6.8
None Remote Medium Not required Partial Partial Partial
When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
26 CVE-2020-26968 787 Mem. Corr. 2020-12-09 2020-12-10
9.3
None Remote Medium Not required Complete Complete Complete
Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox ESR 78.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
27 CVE-2020-26959 416 Mem. Corr. 2020-12-09 2020-12-10
6.8
None Remote Medium Not required Partial Partial Partial
During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
28 CVE-2020-15683 787 Mem. Corr. 2020-10-22 2022-04-28
7.5
None Remote Low Not required Partial Partial Partial
Mozilla developers and community members reported memory safety bugs present in Firefox 81 and Firefox ESR 78.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.4, Firefox < 82, and Thunderbird < 78.4.
29 CVE-2020-15673 416 Mem. Corr. 2020-10-01 2022-04-28
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.
30 CVE-2020-15670 763 Mem. Corr. 2020-10-01 2021-07-21
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers reported memory safety bugs present in Firefox for Android 79. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 80, Firefox ESR < 78.2, Thunderbird < 78.2, and Firefox for Android < 80.
31 CVE-2020-15659 787 Mem. Corr. 2020-08-10 2020-08-21
9.3
None Remote Medium Not required Complete Complete Complete
Mozilla developers and community members reported memory safety bugs present in Firefox 78 and Firefox ESR 78.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, Thunderbird < 68.11, and Thunderbird < 78.1.
32 CVE-2020-12420 362 Mem. Corr. 2020-07-09 2022-05-03
9.3
None Remote Medium Not required Complete Complete Complete
When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
33 CVE-2020-12419 416 Mem. Corr. 2020-07-09 2020-07-27
9.3
None Remote Medium Not required Complete Complete Complete
When processing callbacks that occurred during window flushing in the parent process, the associated window may die; causing a use-after-free condition. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
34 CVE-2020-12417 787 Mem. Corr. 2020-07-09 2022-05-03
9.3
None Remote Medium Not required Complete Complete Complete
Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash. *Note: this issue only affects Firefox on ARM64 platforms.* This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
35 CVE-2020-12410 787 Mem. Corr. 2020-07-09 2022-05-03
9.3
None Remote Medium Not required Complete Complete Complete
Mozilla developers reported memory safety bugs present in Firefox 76 and Firefox ESR 68.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.
36 CVE-2020-12395 787 Mem. Corr. 2020-05-26 2022-04-26
10.0
None Remote Low Not required Complete Complete Complete
Mozilla developers and community members reported memory safety bugs present in Firefox 75 and Firefox ESR 68.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
37 CVE-2020-6831 120 Overflow Mem. Corr. 2020-05-26 2021-07-21
7.5
None Remote Low Not required Partial Partial Partial
A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
38 CVE-2020-6825 119 Overflow Mem. Corr. 2020-04-24 2021-07-21
7.5
None Remote Low Not required Partial Partial Partial
Mozilla developers and community members Tyson Smith and Christian Holler reported memory safety bugs present in Firefox 74 and Firefox ESR 68.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.
39 CVE-2020-6814 787 Mem. Corr. 2020-03-25 2022-04-18
7.5
None Remote Low Not required Partial Partial Partial
Mozilla developers reported memory safety bugs present in Firefox and Thunderbird 68.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
40 CVE-2020-6806 125 Mem. Corr. 2020-03-25 2020-04-22
6.8
None Remote Medium Not required Partial Partial Partial
By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
41 CVE-2020-6800 787 Mem. Corr. 2020-03-02 2022-01-01
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers and community members reported memory safety bugs present in Firefox 72 and Firefox ESR 68.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. In general, these flaws cannot be exploited through email in the Thunderbird product because scripting is disabled when reading mail, but are potentially risks in browser or browser-like contexts. This vulnerability affects Thunderbird < 68.5, Firefox < 73, and Firefox < ESR68.5.
42 CVE-2020-6796 787 Mem. Corr. 2020-03-02 2020-03-12
6.8
None Remote Medium Not required Partial Partial Partial
A content process could have modified shared memory relating to crash reporting information, crash itself, and cause an out-of-bound write. This could have caused memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 73 and Firefox < ESR68.5.
43 CVE-2019-17024 787 Mem. Corr. 2020-01-08 2022-04-08
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers reported memory safety bugs present in Firefox 71 and Firefox ESR 68.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
44 CVE-2019-17012 787 Mem. Corr. 2020-01-08 2022-04-08
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers reported memory safety bugs present in Firefox 70 and Firefox ESR 68.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
45 CVE-2019-17005 787 Overflow Mem. Corr. 2020-01-08 2022-04-08
6.8
None Remote Medium Not required Partial Partial Partial
The plain text serializer used a fixed-size array for the number of <ol> elements it could process; however it was possible to overflow the static-sized array leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
46 CVE-2019-11764 787 Mem. Corr. 2020-01-08 2022-01-01
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers and community members reported memory safety bugs present in Firefox 69 and Firefox ESR 68.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
47 CVE-2019-11758 787 Mem. Corr. 2020-01-08 2022-04-22
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed. This bug showed evidence of memory corruption in the accessibility engine and we presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.2, and Firefox ESR < 68.2.
48 CVE-2019-11740 787 Mem. Corr. 2019-09-27 2022-03-31
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers and community members reported memory safety bugs present in Firefox 68, Firefox ESR 68, and Firefox 60.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.
49 CVE-2019-11735 787 Mem. Corr. 2019-09-27 2022-03-31
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers and community members reported memory safety bugs present in Firefox 68 and Firefox ESR 68. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.
50 CVE-2019-11709 787 Mem. Corr. 2019-07-23 2022-04-18
7.5
None Remote Low Not required Partial Partial Partial
Mozilla developers and community members reported memory safety bugs present in Firefox 67 and Firefox ESR 60.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
Total number of vulnerabilities : 221   Page : 1 (This Page)2 3 4 5
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