Vulnerability in Mozilla Firefox
CVE-2024-0753
In specific HSTS configurations an attacker could have bypassed HSTS on a subdomain. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.
EPSS: 0.007 (49.9th 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:H/A:N.
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Firefox_esr
- Mozilla Thunderbird — versions unspecified
- Debian Debian_linux — versions 10.0
Public proof-of-concept exploits
References
- security@mozilla.org (Release Notes, Issue Tracking)
- security@mozilla.org (Release Notes, Vendor Advisory)
- security@mozilla.org (Release Notes, Vendor Advisory)
- security@mozilla.org (Release Notes, Vendor Advisory)
- security@mozilla.org (Mailing List, Third Party Advisory)
- security@mozilla.org (Mailing List, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2024-0753?
- CVE-2024-0753 is a medium-severity vulnerability in Mozilla Firefox. CVSS score: 6.5/10. Published 2024-01-23.
- How severe is CVE-2024-0753?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2024-0753 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.