CVE-2016-5261

NameCVE-2016-5261
DescriptionInteger overflow in the WebSocketChannel class in the WebSockets subsystem in Mozilla Firefox before 48.0 and Firefox ESR < 45.4 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted packets that trigger incorrect buffer-resize operations during buffering.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-636-1, DSA-3674-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid131.0-1fixed
firefox-esr (PTS)jessie, jessie (lts)68.9.0esr-1~deb8u2fixed
stretch (security), stretch (lts), stretch91.11.0esr-1~deb9u1fixed
buster (security), buster, buster (lts)115.12.0esr-1~deb10u1fixed
bullseye115.14.0esr-1~deb11u1fixed
bullseye (security)115.15.0esr-1~deb11u1fixed
bookworm115.14.0esr-1~deb12u1fixed
bookworm (security)115.15.0esr-1~deb12u1fixed
trixie115.15.0esr-1fixed
sid128.3.0esr-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)48.0-1
firefox-esrsourcewheezy45.4.0esr-1~deb7u1DLA-636-1
firefox-esrsourcejessie45.4.0esr-1~deb8u2DSA-3674-1
firefox-esrsource(unstable)45.4.0esr-1

Notes

For Firefox: https://www.mozilla.org/en-US/security/advisories/mfsa2016-75/
For Firefox https://www.mozilla.org/security/advisories/mfsa2016-86/

Search for package or bug name: Reporting problems