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Mozilla » Firefox Esr : Security Vulnerabilities Published In 2021 (Overflow)

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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-2021-23987 119 Overflow Mem. Corr. 2021-03-31 2021-06-04
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, Thunderbird < 78.9, and Firefox < 87.
2 CVE-2021-23981 119 Overflow Mem. Corr. +Info 2021-03-31 2021-05-01
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, Thunderbird < 78.9, and Firefox < 87.
3 CVE-2021-23964 119 Overflow Mem. Corr. 2021-02-26 2021-03-04
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.
4 CVE-2020-26971 787 Overflow 2021-01-07 2021-01-11
6.8
None Remote Medium Not required Partial Partial Partial
Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
Total number of vulnerabilities : 4   Page : 1 (This Page)
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