Vulnerability · Published Dec 22, 2022 · Assigned by mozilla
CVE-2022-45406
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 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | firefox | 102.5.0-1.el8_7.alma | ALSA-2022:8554 |
| AlmaLinux:9 | firefox | 102.5.0-1.el9_1.alma | ALSA-2022:8580 |
| AlmaLinux:8 | thunderbird | 102.5.0-2.el8_7.alma | ALSA-2022:8547 |
| AlmaLinux:9 | thunderbird | 102.5.0-2.el9_1.alma | ALSA-2022:8561 |
| Alpine:v3.20 | firefox-esr | 102.5.0-r0 | ALPINE-CVE-2022-45406 |
| Alpine:v3.21 | firefox-esr | 102.5.0-r0 | ALPINE-CVE-2022-45406 |
| Alpine:v3.22 | firefox-esr | 102.5.0-r0 | ALPINE-CVE-2022-45406 |
| Alpine:v3.23 | firefox-esr | 102.5.0-r0 | ALPINE-CVE-2022-45406 |
| Debian:12 | firefox-esr | 102.5.0esr-1 | DEBIAN-CVE-2022-45406 |
| Debian:13 | firefox-esr | 102.5.0esr-1 | DEBIAN-CVE-2022-45406 |
| Debian:14 | firefox-esr | 102.5.0esr-1 | DEBIAN-CVE-2022-45406 |
| Debian:12 | thunderbird | 1:102.5.0-1 | DEBIAN-CVE-2022-45406 |
| Debian:13 | thunderbird | 1:102.5.0-1 | DEBIAN-CVE-2022-45406 |
| Debian:14 | thunderbird | 1:102.5.0-1 | DEBIAN-CVE-2022-45406 |
| Rocky Linux:8 | firefox | 0:102.5.0-1.el8_7 | RLSA-2022:8554 |
| Rocky Linux:8 | thunderbird | 0:102.5.0-2.el8_7 | RLSA-2022:8547 |
| Ubuntu:22.04:LTS | mozjs78 | no fix listed | UBUNTU-CVE-2022-45406 |
| Ubuntu:22.04:LTS | mozjs91 | no fix listed | UBUNTU-CVE-2022-45406 |
| Ubuntu:22.04:LTS | thunderbird | 1:102.7.1+build2-0ubuntu0.22.04.1 | UBUNTU-CVE-2022-45406 |
| 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 ESR | unspecified – before 102.5 |
| Mozilla | Thunderbird | unspecified – before 102.5 |
| Mozilla | Firefox | unspecified – before 107 |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H