Vulnerability · Published Feb 20, 2024 · Assigned by mozilla

CVE-2024-1546

High 7.5

In plain English

A high-severity out-of-bounds read in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.7%top 46.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

When storing and re-accessing data on a networking channel, the length of buffers may have been confused, resulting in an out-of-bounds memory read. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8firefox115.8.0-1.el8_9.almaALSA-2024:0955
AlmaLinux:9firefox115.8.0-1.el9_3.almaALSA-2024:0952
AlmaLinux:9firefox-x11115.8.0-1.el9_3.almaALSA-2024:0952
AlmaLinux:8thunderbird115.8.0-1.el8_9.almaALSA-2024:0964
AlmaLinux:9thunderbird115.8.0-1.el9_3.almaALSA-2024:0963
Debian:12firefox-esr115.8.0esr-1~deb12u1DSA-5627-1
Debian:12firefox-esr115.8.0esr-1~deb12u1DEBIAN-CVE-2024-1546
Debian:13firefox-esr115.8.0esr-1DEBIAN-CVE-2024-1546
Debian:14firefox-esr115.8.0esr-1DEBIAN-CVE-2024-1546
Debian:12thunderbird1:115.8.0-1~deb12u1DEBIAN-CVE-2024-1546
Debian:12thunderbird1:115.8.0-1~deb12u1DSA-5630-1
Debian:13thunderbird1:115.8.0-1DEBIAN-CVE-2024-1546
Debian:14thunderbird1:115.8.0-1DEBIAN-CVE-2024-1546
Rocky Linux:8firefox0:115.8.0-1.el8_9RLSA-2024:0955
Ubuntu:22.04:LTSmozjs102no fix listedUBUNTU-CVE-2024-1546
Ubuntu:24.04:LTSmozjs102no fix listedUBUNTU-CVE-2024-1546
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2024-1546
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2024-1546
Ubuntu:22.04:LTSthunderbird1:115.8.1+build1-0ubuntu0.22.04.1UBUNTU-CVE-2024-1546
Ubuntu:22.04:LTSthunderbird1:115.8.1+build1-0ubuntu0.22.04.1USN-6669-1

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 123
Mozilla Firefox ESR unspecified – before 115.8
Mozilla Thunderbird unspecified – before 115.8

Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References