Vulnerability · Published Dec 22, 2022 · Assigned by mozilla

CVE-2022-46881

High 8.8

In plain English

A high-severity out-of-bounds write 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 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 44.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An optimization in WebGL was incorrect in some cases, and could have led to memory corruption and a potentially exploitable crash. *Note*: This advisory was added on December 13th, 2022 after we better understood the impact of the issue. The fix was included in the original release of Firefox 106. This vulnerability affects Firefox < 106, Firefox ESR < 102.6, and Thunderbird < 102.6.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8firefox102.6.0-1.el8_7.almaALSA-2022:9067
AlmaLinux:9firefox102.6.0-1.el9_1.almaALSA-2022:9065
AlmaLinux:8thunderbird102.6.0-2.el8_7.almaALSA-2022:9074
AlmaLinux:9thunderbird102.6.0-2.el9_1.almaALSA-2022:9080
Alpine:v3.20firefox-esr102.6.0-r0ALPINE-CVE-2022-46881
Alpine:v3.21firefox-esr102.6.0-r0ALPINE-CVE-2022-46881
Alpine:v3.22firefox-esr102.6.0-r0ALPINE-CVE-2022-46881
Alpine:v3.23firefox-esr102.6.0-r0ALPINE-CVE-2022-46881
Debian:12firefox-esr102.6.0esr-1DEBIAN-CVE-2022-46881
Debian:13firefox-esr102.6.0esr-1DEBIAN-CVE-2022-46881
Debian:14firefox-esr102.6.0esr-1DEBIAN-CVE-2022-46881
Debian:12thunderbird1:102.6.0-1DEBIAN-CVE-2022-46881
Debian:13thunderbird1:102.6.0-1DEBIAN-CVE-2022-46881
Debian:14thunderbird1:102.6.0-1DEBIAN-CVE-2022-46881
Rocky Linux:8firefox0:102.6.0-1.el8_7RLSA-2022:9067
Ubuntu:22.04:LTSthunderbird1:102.7.1+build2-0ubuntu0.22.04.1UBUNTU-CVE-2022-46881
Ubuntu:22.04:LTSthunderbird1:102.7.1+build2-0ubuntu0.22.04.1USN-5824-1

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 106
Mozilla Firefox ESR unspecified – before 102.6
Mozilla Thunderbird unspecified – before 102.6

Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References