Vulnerability in Mozilla Firefox
CVE-2024-4769
When importing resources using Web Workers, error messages would distinguish the difference between `application/javascript` responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (28.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Thunderbird — versions unspecified
- Debian Linux — versions 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.mozilla.org/show_bug.cgi (Issue Tracking)
- www.mozilla.org/security/advisories/mfsa2024-21/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2024-22/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2024-23/ (Vendor Advisory)
- lists.debian.org/debian-lts-announce/2024/05/msg00010.html (Mailing List)
- lists.debian.org/debian-lts-announce/2024/05/msg00012.html (Mailing List)
Frequently asked questions
- What is CVE-2024-4769?
- CVE-2024-4769 is a medium-severity vulnerability in Mozilla Firefox, classified under CWE-351. CVSS score: 5.9/10. Published 2024-05-14.
- How severe is CVE-2024-4769?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2024-4769 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.