CVE-2024-2608

HIGH

Firefox <124, Firefox ESR <115.9, Thunderbird <115.9 - Buffer Overflow

Title source: llm

Description

`AppendEncodedAttributeValue(), ExtraSpaceNeededForAttrEncoding()` and `AppendEncodedCharacters()` could have experienced integer overflows, causing underallocation of an output buffer leading to an out of bounds write. This vulnerability affects Firefox < 124, Firefox ESR < 115.9, and Thunderbird < 115.9.

References (6)

[Exploit, Issue Tracking, Vendor Advisory] https://bugzilla.mozilla.org/show_bug.cgi?id=1880692

[Mailing List] https://lists.debian.org/debian-lts-announce/2024/03/msg00022.html

[Mailing List] https://lists.debian.org/debian-lts-announce/2024/03/msg00028.html

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2024-12/

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2024-13/

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2024-14/

Scores

CVSS v3 8.4

EPSS 0.0019

EPSS Percentile 40.6%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-680

Status published

Products (4)

debian/debian_linux 10.0

mozilla/firefox < 115.9.0

mozilla/firefox < 124.0

mozilla/thunderbird < 115.9.0

Published Mar 19, 2024

Tracked Since Feb 18, 2026