DescriptionThe maintenance service in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 on Windows does not prevent MAR extracted-file modification during updater execution, which might allow local users to gain privileges via a Trojan horse file.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid100.0-1fixed
firefox-esr (PTS)stretch68.10.0esr-1~deb9u1fixed
stretch (security)91.9.0esr-1~deb9u1fixed
buster (security)91.9.0esr-1~deb10u1fixed
bullseye (security)91.9.0esr-1~deb11u1fixed
bookworm, sid91.9.0esr-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)(not affected)
firefox-esrsource(unstable)(not affected)


- firefox-esr <not-affected> (Only affects Windows)
- firefox <not-affected> (Only affects Windows)

Search for package or bug name: Reporting problems