Vulnerability in Mozilla Firefox
CVE-2023-29550
Memory safety bugs present in Firefox 111 and Firefox ESR 102.9. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (51.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.4% 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 Firefox Esr
- Mozilla Firefox For Android — versions unspecified
- Mozilla Firefox Mobile
- Mozilla Focus
- Mozilla Focus For Android — versions unspecified
- Mozilla Thunderbird — versions unspecified
References
- www.mozilla.org/security/advisories/mfsa2023-15/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2023-14/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2023-13/ (Vendor Advisory)
- bugzilla.mozilla.org/buglist.cgi (Issue Tracking, Not Applicable)
Frequently asked questions
- What is CVE-2023-29550?
- CVE-2023-29550 is a high-severity vulnerability in Mozilla Firefox. CVSS score: 8.8/10. Published 2023-06-02.
- How severe is CVE-2023-29550?
- High severity. CVSS v3 base score is 8.8 out of 10.