Vulnerability · Published Dec 22, 2022 · Assigned by mozilla

CVE-2022-22746

Medium 5.9

In plain English

A medium-severity race condition in Firefox from Mozilla. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)0.6%top 49.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A race condition could have allowed bypassing the fullscreen notification which could have lead to a fullscreen window spoof being unnoticed.<br>*This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20firefox97.0-r0ALPINE-CVE-2022-22746
Alpine:v3.21firefox97.0-r0ALPINE-CVE-2022-22746
Alpine:v3.22firefox97.0-r0ALPINE-CVE-2022-22746
Alpine:v3.23firefox97.0-r0ALPINE-CVE-2022-22746
Alpine:v3.20firefox-esr91.5.0-r0ALPINE-CVE-2022-22746
Alpine:v3.21firefox-esr91.5.0-r0ALPINE-CVE-2022-22746
Alpine:v3.22firefox-esr91.5.0-r0ALPINE-CVE-2022-22746
Alpine:v3.23firefox-esr91.5.0-r0ALPINE-CVE-2022-22746
Alpine:v3.21librewolf97.0-r0ALPINE-CVE-2022-22746
Alpine:v3.22librewolf97.0-r0ALPINE-CVE-2022-22746
Alpine:v3.23librewolf97.0-r0ALPINE-CVE-2022-22746
Alpine:v3.24librewolf97.0-r0ALPINE-CVE-2022-22746
Alpine:v3.20thunderbird91.5.0-r0ALPINE-CVE-2022-22746
Alpine:v3.21thunderbird91.5.0-r0ALPINE-CVE-2022-22746
Alpine:v3.22thunderbird91.5.0-r0ALPINE-CVE-2022-22746
Alpine:v3.23thunderbird91.5.0-r0ALPINE-CVE-2022-22746
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2022-22746

Affected products (as reported)

VendorProductVersions
Mozilla Firefox ESR unspecified – before 91.5
Mozilla Firefox unspecified – before 96
Mozilla Thunderbird unspecified – before 91.5

Weakness: CWE-362 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

References