CVE-2024-0743

Published: Jan 23, 2024Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

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.

Affected (1)

Products: Mozilla: Firefox

Mozilla

1 product

Firefox

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Mozilla Firefox	Before 122.0

Related CWEs

CWE-252

Unchecked Return Value

The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions.

References (15)

https://bugzilla.mozilla.org/show_bug.cgi?id=1867408

Source: security@mozilla.org

Permissions Required

https://lists.debian.org/debian-lts-announce/2024/03/msg00010.html

Source: security@mozilla.org

https://lists.debian.org/debian-lts-announce/2024/03/msg00022.html

Source: security@mozilla.org

https://lists.debian.org/debian-lts-announce/2024/03/msg00028.html

Source: security@mozilla.org

https://www.mozilla.org/security/advisories/mfsa2024-01/

Source: security@mozilla.org

Release NotesVendor Advisory

https://www.mozilla.org/security/advisories/mfsa2024-13/

Source: security@mozilla.org

https://www.mozilla.org/security/advisories/mfsa2024-14/

Source: security@mozilla.org

https://bugzilla.mozilla.org/show_bug.cgi?id=1867408