VulnerabilityModified
CVE-2024-0743
An unchecked return value in TLS handshake code could have caused a potentially exploitable crash.
HIGH 7.5EPSS 1.29%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An unchecked return value in TLS handshake code could have caused a potentially exploitable crash. This vulnerability affects Firefox < 122, Firefox ESR < 115.9, and Thunderbird < 115.9.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.29% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-252
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1867408Permissions Required
- https://lists.debian.org/debian-lts-announce/2024/03/msg00010.html
- https://lists.debian.org/debian-lts-announce/2024/03/msg00022.html
- https://lists.debian.org/debian-lts-announce/2024/03/msg00028.html
- https://www.mozilla.org/security/advisories/mfsa2024-01/Release Notes, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-13/
- https://www.mozilla.org/security/advisories/mfsa2024-14/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1867408Permissions Required
- https://lists.debian.org/debian-lts-announce/2024/03/msg00010.html
- https://lists.debian.org/debian-lts-announce/2024/03/msg00022.html
- https://lists.debian.org/debian-lts-announce/2024/03/msg00028.html
- https://lists.debian.org/debian-lts-announce/2024/10/msg00028.html
- https://www.mozilla.org/security/advisories/mfsa2024-01/Release Notes, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-13/
- https://www.mozilla.org/security/advisories/mfsa2024-14/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.