| Name | CVE-2022-22761 | 
| 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. | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
| References | DLA-2916-1, DLA-2921-1, DSA-5069-1, DSA-5074-1 | 
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|---|---|---|
| firefox (PTS) | sid | 144.0.2-1 | fixed | 
| firefox-esr (PTS) | bullseye | 115.14.0esr-1~deb11u1 | fixed | 
| bullseye (security) | 140.4.0esr-1~deb11u1 | fixed | |
| bookworm | 128.14.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 140.4.0esr-1~deb12u1 | fixed | |
| trixie | 128.14.0esr-1~deb13u1 | fixed | |
| trixie (security) | 140.4.0esr-1~deb13u1 | fixed | |
| forky, sid | 140.4.0esr-1 | fixed | |
| thunderbird (PTS) | bullseye | 1:115.12.0-1~deb11u1 | fixed | 
| bullseye (security) | 1:140.4.0esr-1~deb11u1 | fixed | |
| bookworm | 1:128.14.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 1:140.4.0esr-1~deb12u1 | fixed | |
| trixie | 1:128.14.0esr-1~deb13u1 | fixed | |
| trixie (security) | 1:140.4.0esr-1~deb13u1 | fixed | |
| forky | 1:140.3.1esr-1 | fixed | |
| sid | 1:140.4.0esr-1 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|---|---|---|---|---|---|
| firefox | source | (unstable) | 97.0-1 | |||
| firefox-esr | source | stretch | 91.6.0esr-1~deb9u1 | DLA-2916-1 | ||
| firefox-esr | source | buster | 91.6.0esr-1~deb10u1 | DSA-5069-1 | ||
| firefox-esr | source | bullseye | 91.6.0esr-1~deb11u1 | DSA-5069-1 | ||
| firefox-esr | source | (unstable) | 91.6.0esr-1 | |||
| thunderbird | source | stretch | 1:91.6.0-1~deb9u1 | DLA-2921-1 | ||
| thunderbird | source | buster | 1:91.6.0-1~deb10u1 | DSA-5074-1 | ||
| thunderbird | source | bullseye | 1:91.6.0-1~deb11u1 | DSA-5074-1 | ||
| thunderbird | source | (unstable) | 1:91.6.0-1 | 
https://www.mozilla.org/en-US/security/advisories/mfsa2022-04/#CVE-2022-22761
https://www.mozilla.org/en-US/security/advisories/mfsa2022-05/#CVE-2022-22761
https://www.mozilla.org/en-US/security/advisories/mfsa2022-06/#CVE-2022-22761