CVE-2024-0743

7.5 HIGH
Published: January 23, 2024 Modified: November 03, 2025

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1867408
Source: security@mozilla.org
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2024-01/
Source: security@mozilla.org
Release Notes Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1867408
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2024-01/
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-13/
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.mozilla.org/security/advisories/mfsa2024-14/
Source: af854a3a-2127-422b-91ae-364da2661108

15 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.6%
70th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

mozilla