Vulnerability in Mozilla Firefox
CVE-2024-0747
When a parent page loaded a child in an iframe with `unsafe-inline`, the parent Content Security Policy could have overridden the child Content Security Policy. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (46.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Firefox Esr
- Mozilla Thunderbird — versions unspecified
- Debian Linux — versions 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Issue Tracking)
- www.mozilla.org/security/advisories/mfsa2024-01/ (Release Notes, Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2024-02/ (Release Notes, Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2024-04/ (Release Notes, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2024/01/msg00015.html (Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2024/01/msg00022.html (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2024-0747?
- CVE-2024-0747 is a medium-severity vulnerability in Mozilla Firefox, classified under Protection Mechanism Failure. CVSS score: 6.5/10. Published 2024-01-23.
- How severe is CVE-2024-0747?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2024-0747 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.