CVE-2024-11704

critical

Description

A double-free issue could have occurred in `sec_pkcs7_decoder_start_decrypt()` when handling an error path. Under specific conditions, the same symmetric key could have been freed twice, potentially leading to memory corruption. This vulnerability affects Firefox < 133, Thunderbird < 133, Firefox ESR < 128.7, and Thunderbird < 128.7.

References

https://www.mozilla.org/security/advisories/mfsa2025-10/

https://www.mozilla.org/security/advisories/mfsa2025-09/

https://www.mozilla.org/security/advisories/mfsa2024-67/

https://www.mozilla.org/security/advisories/mfsa2024-63/

https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html

https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html

https://bugzilla.mozilla.org/show_bug.cgi?id=1899402

Details

Source: Mitre, NVD

Published: 2024-11-26

Updated: 2025-11-03

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.00121