Critical severity · published Nov 26, 2024
CVE-2024-11704
A double-free issue could have occurred in `sec_pkcs7_decoder_start_decrypt()` when handling an error path
9.8
CVSS
0.9%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 128.7.0; before 133.0 · source: NVD
TH
Thunderbird · Mozilla
before 128.7.0; 129.0 before 133.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-11704
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-11704
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1899402
Vendor Advisory
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/
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html
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