VulnerabilityModified

CVE-2022-34485

Mozilla developers Bryce Seager van Dyk and the Mozilla Fuzzing Team reported potential vulnerabilities present in Firefox 101.

CRITICAL 9.8EPSS 0.71%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Mozilla developers Bryce Seager van Dyk and the Mozilla Fuzzing Team reported potential vulnerabilities present in Firefox 101. 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 < 102.

CVSS 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.71% probability · 52th percentile
CISA KEV: Not listed
Weakness: CWE-787
Affected: mozilla/firefox
Source: security@mozilla.org

References

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1768409%2C1768578Broken Link
https://www.mozilla.org/security/advisories/mfsa2022-24/Vendor Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1768409%2C1768578Broken Link
https://www.mozilla.org/security/advisories/mfsa2022-24/Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.