Vulnerability · Published Dec 22, 2022 · Assigned by mozilla

CVE-2022-42928

High 8.8

In plain English

A high-severity null pointer dereference 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 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.9%top 40.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Certain types of allocations were missing annotations that, if the Garbage Collector was in a specific state, could have lead to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 106, Firefox ESR < 102.4, and Thunderbird < 102.4.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8firefox102.4.0-1.el8_6.almaALSA-2022:7070
AlmaLinux:9firefox102.4.0-1.el9_0.almaALSA-2022:7071
AlmaLinux:8thunderbird102.4.0-1.el8_6.almaALSA-2022:7190
AlmaLinux:9thunderbird102.4.0-1.el9_0.almaALSA-2022:7178
Alpine:v3.20firefox-esr102.4.0-r0ALPINE-CVE-2022-42928
Alpine:v3.21firefox-esr102.4.0-r0ALPINE-CVE-2022-42928
Alpine:v3.22firefox-esr102.4.0-r0ALPINE-CVE-2022-42928
Alpine:v3.23firefox-esr102.4.0-r0ALPINE-CVE-2022-42928
Debian:12firefox-esr102.4.0esr-1DEBIAN-CVE-2022-42928
Debian:13firefox-esr102.4.0esr-1DEBIAN-CVE-2022-42928
Debian:14firefox-esr102.4.0esr-1DEBIAN-CVE-2022-42928
Debian:12thunderbird1:102.4.0-1DEBIAN-CVE-2022-42928
Debian:13thunderbird1:102.4.0-1DEBIAN-CVE-2022-42928
Debian:14thunderbird1:102.4.0-1DEBIAN-CVE-2022-42928
Rocky Linux:8firefox0:102.4.0-1.el8_6RLSA-2022:7070
Rocky Linux:8firefox0:102.4.0-1.el8_6.0.1RLSA-2022:7070
Rocky Linux:8thunderbird0:102.4.0-1.el8_6.0.1RLSA-2022:7190
Rocky Linux:8thunderbird0:102.4.0-1.el8_6RLSA-2022:7190
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2022-42928
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2022-42928
Ubuntu:22.04:LTSthunderbird1:102.4.2+build2-0ubuntu0.22.04.1USN-5724-1
Ubuntu:22.04:LTSthunderbird1:102.4.2+build2-0ubuntu0.22.04.1UBUNTU-CVE-2022-42928

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 106
Mozilla Firefox ESR unspecified – before 102.4
Mozilla Thunderbird unspecified – before 102.4

Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References