CVE-2016-5261

HIGH

Mozilla Firefox < 47.0.1 - Integer Overflow

Title source: rule

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.

References (12)

[Vendor Advisory] http://rhn.redhat.com/errata/RHSA-2016-1912.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html

[Vendor Advisory] http://www.mozilla.org/security/announce/2016/mfsa2016-75.html

[Vendor Advisory] http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/92260

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1036508

[Vendor Advisory] http://www.ubuntu.com/usn/USN-3044-1

[Issue Tracking, Permissions Required] https://bugzilla.mozilla.org/show_bug.cgi?id=1287266

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2016-86/

[Third Party Advisory] http://www.debian.org/security/2016/dsa-3674

[Third Party Advisory] https://security.gentoo.org/glsa/201701-15

Scores

CVSS v3 8.8

EPSS 0.0086

EPSS Percentile 74.8%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Classification

CWE

CWE-190

Status draft

Affected Products (1)

mozilla/firefox < 47.0.1

Timeline

Published Aug 05, 2016

Tracked Since Feb 18, 2026