Vulnerability Details : CVE-2023-5176
Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. 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 < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
Vulnerability category: Memory Corruption
Products affected by CVE-2023-5176
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-5176
0.29%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-5176
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2023-5176
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-5176
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https://bugzilla.mozilla.org/buglist.cgi?bug_id=1836353%2C1842674%2C1843824%2C1843962%2C1848890%2C1850180%2C1850983%2C1851195
Bug ListBroken Link;Issue Tracking;Permissions Required
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https://lists.debian.org/debian-lts-announce/2023/09/msg00034.html
[SECURITY] [DLA 3587-1] firefox-esr security updateMailing List;Third Party Advisory
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https://www.debian.org/security/2023/dsa-5513
Debian -- Security Information -- DSA-5513-1 thunderbirdThird Party Advisory
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https://www.debian.org/security/2023/dsa-5506
Debian -- Security Information -- DSA-5506-1 firefox-esrThird Party Advisory
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https://www.mozilla.org/security/advisories/mfsa2023-42/
Security Vulnerabilities fixed in Firefox ESR 115.3 — MozillaVendor Advisory
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https://www.mozilla.org/security/advisories/mfsa2023-43/
Security Vulnerabilities fixed in Thunderbird 115.3 — MozillaVendor Advisory
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https://lists.debian.org/debian-lts-announce/2023/10/msg00015.html
[SECURITY] [DLA 3601-1] thunderbird security updateMailing List;Third Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2023-41/
Security Vulnerabilities fixed in Firefox 118 — MozillaVendor Advisory
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