Buffer overflow in Mozilla Firefox

CVE-2023-32209

A maliciously crafted favicon could have led to an out of memory crash. This vulnerability affects Firefox < 113.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (51.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mozilla Firefox — versions unspecified

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@mozilla.org (Permissions Required)
security@mozilla.org
security@mozilla.org (Vendor Advisory)

Frequently asked questions

What is CVE-2023-32209?: CVE-2023-32209 is a high-severity vulnerability in Mozilla Firefox, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-06-19.
How severe is CVE-2023-32209?: High severity. CVSS v3 base score is 7.5 out of 10.