Double Free in Mozilla Firefox

CVE-2024-11704

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 vulne…

Vulnerability class: Double Free

EPSS: 0.009 (56.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-11704?
CVE-2024-11704 is a critical-severity vulnerability in Mozilla Firefox, classified under Double Free. CVSS score: 9.8/10. Published 2024-11-26.
How severe is CVE-2024-11704?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-11704 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.