Vulnerability in Mozilla Firefox
CVE-2023-5170
In canvas rendering, a compromised content process could have caused a surface to change unexpectedly, leading to a memory leak of a privileged process. This memory leak could be used to effect a sandbox escape if the correct data was leaked. This vulnerability affects Firefox < 118.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.007 (52.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.1% 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: 0.007 · change: +0.001
Affected products
- Mozilla Firefox — versions unspecified
Weakness classification (CWE)
References
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Issue Tracking)
- www.mozilla.org/security/advisories/mfsa2023-41/ (Vendor Advisory)
- security.gentoo.org/glsa/202401-10
Frequently asked questions
- What is CVE-2023-5170?
- CVE-2023-5170 is a high-severity vulnerability in Mozilla Firefox, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.4/10. Published 2023-09-27.
- How severe is CVE-2023-5170?
- High severity. CVSS v3 base score is 7.4 out of 10.