Out-of-bounds Read in Mozilla Firefox
CVE-2024-1546
When storing and re-accessing data on a networking channel, the length of buffers may have been confused, resulting in an out-of-bounds memory read. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (52.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · 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/mfsa2024-05/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2024-06/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2024-07/ (Vendor Advisory)
- lists.debian.org/debian-lts-announce/2024/03/msg00000.html (Mailing List)
- lists.debian.org/debian-lts-announce/2024/03/msg00001.html (Mailing List)
Frequently asked questions
- What is CVE-2024-1546?
- CVE-2024-1546 is a high-severity vulnerability in Mozilla Firefox, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2024-02-20.
- How severe is CVE-2024-1546?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2024-1546 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.