VulnerabilityModified
CVE-2023-6864
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.
HIGH 8.8EPSS 1.19%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. 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 ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.19% probability · 66th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- mozilla/firefox · mozilla/firefox esr · mozilla/thunderbird · debian/debian linux
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1736385%2C1810805%2C1846328%2C1856090%2C1858033%2C1858509%2C1862089%2C1862777%2C1864015Broken Link, Issue Tracking
- https://lists.debian.org/debian-lts-announce/2023/12/msg00020.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/12/msg00021.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202401-10Third Party Advisory
- https://www.debian.org/security/2023/dsa-5581Third Party Advisory
- https://www.debian.org/security/2023/dsa-5582Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-54/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-55/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-56/Vendor Advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1736385%2C1810805%2C1846328%2C1856090%2C1858033%2C1858509%2C1862089%2C1862777%2C1864015Broken Link, Issue Tracking
- https://lists.debian.org/debian-lts-announce/2023/12/msg00020.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/12/msg00021.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202401-10Third Party Advisory
- https://www.debian.org/security/2023/dsa-5581Third Party Advisory
- https://www.debian.org/security/2023/dsa-5582Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-54/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-55/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-56/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.