VulnerabilityModified
CVE-2022-40960
This could lead to a use-after-free causing a potentially exploitable crash.
MEDIUM 6.5EPSS 0.95%
Does this matter?
Lower severity and a low EPSS score (0.95%). Track it; it rarely justifies an emergency change on its own.
Description
Concurrent use of the URL parser with non-UTF-8 data was not thread-safe. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.95% probability · 59th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- mozilla/firefox · mozilla/firefox esr · mozilla/thunderbird
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1787633Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2022-40/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-41/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-42/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1787633Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2022-40/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-41/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-42/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.