CVE-2016-9063

firefox: Possible integer overflow to fix inside XML_Parse in Expat

Published Jun 11, 2018 CVSS 3.1 · 9.8 Critical EPSS 5.4% KEV · Not listed
Description
An integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-3898-1 expat security update
EUVD EUVD EUVD-2016-9884 An integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50.
Ubuntu USN Ubuntu USN USN-3124-1 Firefox vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics epss

{'score': 0.01976}

epss

{'score': 0.01984}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Oct 8, 2026, 9:03 PM
Reserved
Oct 27, 2016, 12:00 AM
Status
Modified
Published
Jun 11, 2018, 9:29 PM
Modified
Oct 8, 2026, 9:17 PM
Severity
Low
Public date
Nov 15, 2016, 12:00 AM