Vulnerability Report

CVE-2024-34459

Title: Xmlsoft Libxml2 Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2024-34459.

CWE Category CWE-122
Published Date May 14, 2024
Modified Date Nov 04, 2025
Exploit Status Not Found
Score 7.5 CVSS v3.1
Exploit Probability (EPSS)
2.30%

Vulnerability Summary

CVE-2024-34459: 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.

Impacted Vendors

X
xmlsoft 1

Reference Links

https://gitlab.gnome.org/GNOME/libxml2/-/issues/720 https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.11.8 https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.12.7 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5HVUXKYTBWT3G5DEEQX62STJQBY367NL/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/INKSSLW5VMZIXHRPZBAW4TJUX5SQKARG/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VRDJCNQP32LV56KESUQ5SNZKAJWSZZRI/ https://gitlab.gnome.org/GNOME/libxml2/-/issues/720 https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.11.8 https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.12.7 https://lists.debian.org/debian-lts-announce/2025/07/msg00014.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5HVUXKYTBWT3G5DEEQX62STJQBY367NL/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/INKSSLW5VMZIXHRPZBAW4TJUX5SQKARG/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VRDJCNQP32LV56KESUQ5SNZKAJWSZZRI/ https://lists.fedoraproject.org/archives/list/[email protected]/message/5HVUXKYTBWT3G5DEEQX62STJQBY367NL/ https://lists.fedoraproject.org/archives/list/[email protected]/message/INKSSLW5VMZIXHRPZBAW4TJUX5SQKARG/ https://lists.fedoraproject.org/archives/list/[email protected]/message/VRDJCNQP32LV56KESUQ5SNZKAJWSZZRI/
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2024-34459 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Stack

No specific products linked.