CVE-2024-34459

libxml2: buffer over-read in xmlHTMLPrintFileContext in xmllint.c

Published May 13, 2024 CVSS 3.1 · 7.5 High EPSS 1.8% KEV · Not listed
Description
An issue was discovered in xmllint (from libxml2) before 2.11.8 and 2.12.x before 2.12.7. Formatting error messages with xmllint --htmlout can result in a buffer over-read in xmlHTMLPrintFileContext in xmllint.c.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4251-1 libxml2 security update
Debian DSA Debian DSA DSA-5949-1 libxml2 security update
Ubuntu USN Ubuntu USN USN-7240-1 libxml2 vulnerabilities
Ubuntu USN Ubuntu USN USN-7302-1 libxml2 vulnerabilities
History
Type Values Removed Values Added
First Time appeared Xmlsoft xmllint
CPEs cpe:2.3:a:xmlsoft:xmllint:*:*:*:*:*:*:*:*
Vendors & Products Xmlsoft xmllint
Metrics ssvc

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

Type Values Removed Values Added
First Time appeared Xmlsoft
Xmlsoft libxml2
CPEs cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*
Vendors & Products Xmlsoft
Xmlsoft libxml2
Type Values Removed Values Added
Weaknesses CWE-122
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

cvssV3_1

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 15, 2026, 12:40 AM
Reserved
May 4, 2024, 12:00 AM
Status
Modified
Published
May 14, 2024, 3:39 PM
Modified
Oct 15, 2026, 1:17 AM
Severity
Low
Public date
May 8, 2024, 12:00 AM