Vulnerability · Published Dec 22, 2022 · Assigned by mozilla
CVE-2022-22761
High 8.8
In plain English
A high-severity security flaw in Firefox from Mozilla. Proof-of-concept exploit code is public. 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 43.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in the Web Extension's Content Security Policy. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | firefox | 91.6.0-1.el8_5.alma | ALSA-2022:0510 |
| AlmaLinux:8 | thunderbird | 91.6.0-1.el8_5.alma | ALSA-2022:0535 |
| AlmaLinux:8 | thunderbird | 91.6.0-1.el8_5.alma.plus | ALSA-2022:0535 |
| Alpine:v3.20 | firefox | 97.0-r0 | ALPINE-CVE-2022-22761 |
| Alpine:v3.21 | firefox | 97.0-r0 | ALPINE-CVE-2022-22761 |
| Alpine:v3.22 | firefox | 97.0-r0 | ALPINE-CVE-2022-22761 |
| Alpine:v3.23 | firefox | 97.0-r0 | ALPINE-CVE-2022-22761 |
| Alpine:v3.20 | firefox-esr | 91.6.0-r0 | ALPINE-CVE-2022-22761 |
| Alpine:v3.21 | firefox-esr | 91.6.0-r0 | ALPINE-CVE-2022-22761 |
| Alpine:v3.22 | firefox-esr | 91.6.0-r0 | ALPINE-CVE-2022-22761 |
| Alpine:v3.23 | firefox-esr | 91.6.0-r0 | ALPINE-CVE-2022-22761 |
| Alpine:v3.21 | librewolf | 97.0-r0 | ALPINE-CVE-2022-22761 |
| Alpine:v3.22 | librewolf | 97.0-r0 | ALPINE-CVE-2022-22761 |
| Alpine:v3.23 | librewolf | 97.0-r0 | ALPINE-CVE-2022-22761 |
| Alpine:v3.24 | librewolf | 97.0-r0 | ALPINE-CVE-2022-22761 |
| Alpine:v3.20 | thunderbird | 91.6.0-r0 | ALPINE-CVE-2022-22761 |
| Alpine:v3.21 | thunderbird | 91.6.0-r0 | ALPINE-CVE-2022-22761 |
| Alpine:v3.22 | thunderbird | 91.6.0-r0 | ALPINE-CVE-2022-22761 |
| Alpine:v3.23 | thunderbird | 91.6.0-r0 | ALPINE-CVE-2022-22761 |
| Debian:12 | firefox-esr | 91.6.0esr-1 | DEBIAN-CVE-2022-22761 |
| Debian:13 | firefox-esr | 91.6.0esr-1 | DEBIAN-CVE-2022-22761 |
| Debian:14 | firefox-esr | 91.6.0esr-1 | DEBIAN-CVE-2022-22761 |
| Debian:12 | thunderbird | 1:91.6.0-1 | DEBIAN-CVE-2022-22761 |
| Debian:13 | thunderbird | 1:91.6.0-1 | DEBIAN-CVE-2022-22761 |
| Debian:14 | thunderbird | 1:91.6.0-1 | DEBIAN-CVE-2022-22761 |
| Rocky Linux:8 | firefox | 0:91.6.0-1.el8_5 | RLSA-2022:0510 |
| Rocky Linux:8 | thunderbird | 0:91.6.0-1.el8_5 | RLSA-2022:0535 |
| Ubuntu:22.04:LTS | firefox | 97.0+build2-0ubuntu1 | UBUNTU-CVE-2022-22761 |
| Ubuntu:22.04:LTS | mozjs78 | no fix listed | UBUNTU-CVE-2022-22761 |
| Ubuntu:22.04:LTS | thunderbird | 1:91.6.1+build1-0ubuntu1 | UBUNTU-CVE-2022-22761 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | unspecified – before 97 |
| Mozilla | Thunderbird | unspecified – before 91.6 |
| Mozilla | Firefox ESR | unspecified – before 91.6 |
Weakness: CWE-693 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H