| Name | CVE-2016-5261 |
| Description | Integer 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. |
| 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-636-1, DSA-3674-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| firefox (PTS) | sid | 138.0.3-1 | 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) | 128.10.0esr-1~deb12u1 | fixed |
| sid, trixie | 128.10.0esr-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
For Firefox: https://www.mozilla.org/en-US/security/advisories/mfsa2016-75/
For Firefox https://www.mozilla.org/security/advisories/mfsa2016-86/