CVE-2024-3859

CVSS 5.9 MEDIUMEPSS 0.7%CWE-125 CWE-190

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.9EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

16 Apr 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially could be triggered by a malformed OpenType font. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1874489 https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html https://www.mozilla.org/security/advisories/mfsa2024-18/https://www.mozilla.org/security/advisories/mfsa2024-19/https://www.mozilla.org/security/advisories/mfsa2024-20/