CVE-2024-0743 — Unchecked Return Value in Mozilla Firefox

CWE-252 — Unchecked Return Value14 documents8 sources
Severity
7.5HIGHNVD
OSV6.5
EPSS
0.9%
top 23.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird+1 more
Timeline
PublishedJan 23
Latest updateMar 26

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages8 packages

▶CVEListV5mozilla/firefoxunspecified — 122
▶NVDmozilla/firefox< 122.0
▶CVEListV5mozilla/firefox_esrunspecified — 115.9
▶Ubuntumozilla/firefox< 122.0.1+build1-0ubuntu0.20.04.1+1
▶CVEListV5mozilla/thunderbirdunspecified — 115.9

🔴Vulnerability Details

6
OSV
thunderbird vulnerabilities↗2024-03-26
▶
OSV
firefox regressions↗2024-02-07
▶
OSV
firefox vulnerabilities↗2024-01-29
▶
OSV
CVE-2024-0743: An unchecked return value in TLS handshake code could have caused a potentially exploitable crash↗2024-01-23
▶
CVEList
CVE-2024-0743: An unchecked return value in TLS handshake code could have caused a potentially exploitable crash↗2024-01-23
▶

📋Vendor Advisories

7
Ubuntu
Thunderbird vulnerabilities↗2024-03-26
▶
Ubuntu
Firefox vulnerabilities↗2024-01-29
▶
Red Hat
Mozilla: Crash in NSS TLS method↗2024-01-23
▶
Debian
CVE-2024-0743: firefox - An unchecked return value in TLS handshake code could have caused a potentially ...↗2024
▶
Mozilla
Mozilla Foundation Security Advisory 2024-13: CVE-2024-0743↗
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CVE-2024-0743 — Unchecked Return Value in Mozilla | cvebase