Vulnerability · Published Dec 22, 2022 · Assigned by mozilla
CVE-2022-46882
Critical 9.8
In plain English
A critical-severity use-after-free 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 1.0% (higher than 62% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.0%top 37.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A use-after-free in WebGL extensions could have led to a potentially exploitable crash. This vulnerability affects Firefox < 107, Firefox ESR < 102.6, and Thunderbird < 102.6.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | firefox | 102.6.0-1.el8_7.alma | ALSA-2022:9067 |
| AlmaLinux:9 | firefox | 102.6.0-1.el9_1.alma | ALSA-2022:9065 |
| AlmaLinux:8 | thunderbird | 102.6.0-2.el8_7.alma | ALSA-2022:9074 |
| AlmaLinux:9 | thunderbird | 102.6.0-2.el9_1.alma | ALSA-2022:9080 |
| Alpine:v3.20 | firefox-esr | 102.6.0-r0 | ALPINE-CVE-2022-46882 |
| Alpine:v3.21 | firefox-esr | 102.6.0-r0 | ALPINE-CVE-2022-46882 |
| Alpine:v3.22 | firefox-esr | 102.6.0-r0 | ALPINE-CVE-2022-46882 |
| Alpine:v3.23 | firefox-esr | 102.6.0-r0 | ALPINE-CVE-2022-46882 |
| Debian:12 | firefox-esr | 102.6.0esr-1 | DEBIAN-CVE-2022-46882 |
| Debian:13 | firefox-esr | 102.6.0esr-1 | DEBIAN-CVE-2022-46882 |
| Debian:14 | firefox-esr | 102.6.0esr-1 | DEBIAN-CVE-2022-46882 |
| Debian:12 | thunderbird | 1:102.6.0-1 | DEBIAN-CVE-2022-46882 |
| Debian:13 | thunderbird | 1:102.6.0-1 | DEBIAN-CVE-2022-46882 |
| Debian:14 | thunderbird | 1:102.6.0-1 | DEBIAN-CVE-2022-46882 |
| Rocky Linux:8 | firefox | 0:102.6.0-1.el8_7 | RLSA-2022:9067 |
| Ubuntu:22.04:LTS | thunderbird | 1:102.7.1+build2-0ubuntu0.22.04.1 | UBUNTU-CVE-2022-46882 |
| Ubuntu:22.04:LTS | thunderbird | 1:102.7.1+build2-0ubuntu0.22.04.1 | USN-5824-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | unspecified – before 107 |
| Mozilla | Firefox ESR | unspecified – before 102.6 |
| Mozilla | Thunderbird | unspecified – before 102.6 |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H