| Name | CVE-2018-12396 |
| Description | A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63. |
| 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-1571-1, DSA-4324-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| firefox (PTS) | sid | 137.0-1 | fixed |
| firefox-esr (PTS) | bullseye | 115.14.0esr-1~deb11u1 | fixed |
| bullseye (security) | 128.9.0esr-1~deb11u1 | fixed |
| bookworm | 128.8.0esr-1~deb12u1 | fixed |
| bookworm (security) | 128.9.0esr-1~deb12u1 | fixed |
| trixie | 128.8.0esr-1 | fixed |
| sid | 128.9.0esr-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://www.mozilla.org/en-US/security/advisories/mfsa2018-27/#CVE-2018-12396
https://www.mozilla.org/en-US/security/advisories/mfsa2018-26/#CVE-2018-12396