VulnerabilityModified
CVE-2024-11704
Under specific conditions, the same symmetric key could have been freed twice, potentially leading to memory corruption.
CRITICAL 9.8EPSS 0.91%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.91% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-415
- Affected
- mozilla/firefox · mozilla/thunderbird
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1899402Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2024-63/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-67/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-09/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-10/Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html
- https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.