| Name | CVE-2023-6867 |
| Description | The timing of a button click causing a popup to disappear was approximately the same length as the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant button would be about to appear. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3697-1, DSA-5581-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| firefox (PTS) | sid | 132.0.2-1 | fixed |
| firefox-esr (PTS) | jessie, jessie (lts) | 68.9.0esr-1~deb8u2 | vulnerable |
| stretch (security), stretch (lts), stretch | 91.11.0esr-1~deb9u1 | vulnerable |
| buster (security), buster, buster (lts) | 115.12.0esr-1~deb10u1 | fixed |
| bullseye | 115.14.0esr-1~deb11u1 | fixed |
| bullseye (security) | 128.4.0esr-1~deb11u1 | fixed |
| bookworm | 128.3.1esr-1~deb12u1 | fixed |
| bookworm (security) | 128.4.0esr-1~deb12u1 | fixed |
| sid, trixie | 128.4.0esr-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://www.mozilla.org/en-US/security/advisories/mfsa2023-56/#CVE-2023-6867
https://www.mozilla.org/en-US/security/advisories/mfsa2023-54/#CVE-2023-6867