CVE-2017-9049

libxml2: Heap-based buffer over-read in function xmlDictComputeFastKey

Published May 18, 2017 CVSS 3.1 · 7.5 High EPSS 4.6% KEV · Not listed
Description
libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictComputeFastKey function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This vulnerability exists because of an incomplete fix for libxml2 Bug 759398.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1008-1 libxml2 security update
Debian DSA Debian DSA DSA-3952-1 libxml2 security update
EUVD EUVD EUVD-2017-17989 libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictComputeFastKey function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This vulnerability exists because of an incomplete fix for libxml2 Bug 759398.
Ubuntu USN Ubuntu USN USN-3424-1 libxml2 vulnerabilities
Ubuntu USN Ubuntu USN USN-3424-2 libxml2 vulnerabilities
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics epss

{'score': 0.00365}

epss

{'score': 0.00335}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 14, 2026, 6:30 AM
Reserved
May 18, 2017, 12:00 AM
Status
Modified
Published
May 18, 2017, 6:29 AM
Modified
Oct 14, 2026, 7:16 AM
Severity
Moderate
Public date
May 15, 2017, 12:00 AM