Vulnerability in Mozilla Firefox
CVE-2024-0749
A phishing site could have repurposed an `about:` dialog to show phishing content with an incorrect origin in the address bar. This vulnerability affects Firefox < 122 and Thunderbird < 115.7.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (24.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Mozilla Firefox — 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)
- 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)
- www.mozilla.org/security/advisories/mfsa2024-01/ (Release Notes, Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2024-04/ (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2024-0749?
- CVE-2024-0749 is a medium-severity vulnerability in Mozilla Firefox, classified under Origin Validation Error. CVSS score: 4.3/10. Published 2024-01-23.
- How severe is CVE-2024-0749?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2024-0749 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.