High severity8.8NVD Advisory· Published Aug 5, 2016· Updated May 6, 2026
CVE-2016-5261
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.
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
12- www.mozilla.org/security/announce/2016/mfsa2016-75.htmlnvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions Required
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.htmlnvd
- rhn.redhat.com/errata/RHSA-2016-1912.htmlnvd
- www.debian.org/security/2016/dsa-3674nvd
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.htmlnvd
- www.securityfocus.com/bid/92260nvd
- www.securitytracker.com/id/1036508nvd
- www.ubuntu.com/usn/USN-3044-1nvd
- security.gentoo.org/glsa/201701-15nvd
- www.mozilla.org/security/advisories/mfsa2016-86/nvd
News mentions
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