CVE-2024-11704

Name: CVE-2024-11704
Creator: NVD / NIST
Published: 2024-11-26T14:15:19.91+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.92%

Last modified Jun 17, 2026

CVE-2024-11704 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.92% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.92%

55.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-415

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 128.7.0
Mozilla	Firefox	< 133.0
Mozilla	Thunderbird	< 128.7.0
Mozilla	Thunderbird	>= 129.0, < 133.0

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

Timeline

Published: Nov 26, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-11704?

How severe is CVE-2024-11704?

CVE-2024-11704 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.

How do I fix CVE-2024-11704?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-11704?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST