| 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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more) |
| References | DLA-636-1, DSA-3674-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| firefox (PTS) | sid | 113.0.2-1 | fixed |
| firefox-esr (PTS) | buster | 91.12.0esr-1~deb10u1 | fixed |
| buster (security) | 102.11.0esr-1~deb10u1 | fixed | |
| bullseye | 102.10.0esr-1~deb11u1 | fixed | |
| bullseye (security) | 102.11.0esr-1~deb11u1 | fixed | |
| bookworm, sid | 102.11.0esr-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| firefox | source | (unstable) | 48.0-1 | |||
| firefox-esr | source | wheezy | 45.4.0esr-1~deb7u1 | DLA-636-1 | ||
| firefox-esr | source | jessie | 45.4.0esr-1~deb8u2 | DSA-3674-1 | ||
| firefox-esr | source | (unstable) | 45.4.0esr-1 |
For Firefox: https://www.mozilla.org/en-US/security/advisories/mfsa2016-75/
For Firefox https://www.mozilla.org/security/advisories/mfsa2016-86/