Buffer overflow in Mozilla Firefox Esr
CVE-2023-1945
Unexpected data returned from the Safe Browsing API could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 102.10 and Firefox ESR < 102.10.
Vulnerability class: Buffer Overflow
EPSS: 0.006 (47.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Mozilla Firefox Esr — versions unspecified
- Mozilla Firefox_esr
- Mozilla Thunderbird — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@mozilla.org (Vendor Advisory)
- security@mozilla.org (Vendor Advisory)
- security@mozilla.org (Permissions Required, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-1945?
- CVE-2023-1945 is a medium-severity vulnerability in Mozilla Firefox Esr, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2023-06-02.
- How severe is CVE-2023-1945?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-1945 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.