CVE-2016-9063

CRITICAL

Firefox < 50 - Integer Overflow in Expat XML Parser

Title source: llm
STIX 2.1

Description

An integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50.

References (6)

Core 6
Core References
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2017/dsa-3898
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/94337
Issue Tracking, Vendor Advisory x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1274777
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1037298
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039427
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2016-89/

Scores

CVSS v3 9.8
EPSS 0.0271
EPSS Percentile 86.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-190
Status published
Products (5)
debian/debian_linux 8.0
debian/debian_linux 9.0
debian/debian_linux 10.0
mozilla/firefox < 50
python/python 2.7.0 - 2.7.15
Published Jun 11, 2018
Tracked Since Feb 18, 2026