Vulnerability · Published Dec 22, 2022 · Assigned by mozilla

CVE-2022-1196

Medium 6.5

In plain English

A medium-severity use-after-free in Firefox ESR 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 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.8%top 44.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

After a VR Process is destroyed, a reference to it may have been retained and used, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird < 91.8 and Firefox ESR < 91.8.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8firefox91.8.0-1.el8_5.almaALSA-2022:1287
AlmaLinux:8thunderbird91.8.0-1.el8_5.almaALSA-2022:1301
AlmaLinux:8thunderbird91.8.0-1.el8_5.alma.plusALSA-2022:1301
Alpine:v3.20firefox-esr91.8.0-r0ALPINE-CVE-2022-1196
Alpine:v3.21firefox-esr91.8.0-r0ALPINE-CVE-2022-1196
Alpine:v3.22firefox-esr91.8.0-r0ALPINE-CVE-2022-1196
Alpine:v3.23firefox-esr91.8.0-r0ALPINE-CVE-2022-1196
Alpine:v3.20thunderbird91.8.0-r0ALPINE-CVE-2022-1196
Alpine:v3.21thunderbird91.8.0-r0ALPINE-CVE-2022-1196
Alpine:v3.22thunderbird91.8.0-r0ALPINE-CVE-2022-1196
Alpine:v3.23thunderbird91.8.0-r0ALPINE-CVE-2022-1196
Debian:12firefox-esr91.8.0esr-1DEBIAN-CVE-2022-1196
Debian:13firefox-esr91.8.0esr-1DEBIAN-CVE-2022-1196
Debian:14firefox-esr91.8.0esr-1DEBIAN-CVE-2022-1196
Debian:12thunderbird1:91.8.0-1DEBIAN-CVE-2022-1196
Debian:13thunderbird1:91.8.0-1DEBIAN-CVE-2022-1196
Debian:14thunderbird1:91.8.0-1DEBIAN-CVE-2022-1196
Rocky Linux:8firefox0:91.8.0-1.el8_5RLSA-2022:1287
Rocky Linux:8thunderbird0:91.8.0-1.el8_5RLSA-2022:1301
Ubuntu:22.04:LTSfirefox1:1snap1-0ubuntu1UBUNTU-CVE-2022-1196

Affected products (as reported)

VendorProductVersions
Mozilla Thunderbird unspecified – before 91.8
Mozilla Firefox ESR unspecified – before 91.8

Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References