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ALSA-2026:26354 — Low: libxml2 security update

Affected: AlmaLinux:8: libxml2, AlmaLinux:8: libxml2-devel, AlmaLinux:8: python3-libxml2

The libxml2 library is a development toolbox providing the implementation of various XML standards.

Security Fix(es):

* libxml2: buffer over-read in xmlHTMLPrintFileContext in xmllint.c (CVE-2024-34459)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

bdu:2026-08991

BELL-CVE-2024-34459

Affected: Alpaquita:23: libxml2, Alpaquita:stream: libxml2, BellSoft Hardened Containers:23: libxml2, BellSoft Hardened Containers:stream: libxml2

certfr-2024-avi-0807 — De multiples vulnérabilités ont été découvertes dans Nessus Network Monitor. Certaines d'entre elles permettent à un at…

certfr-2024-avi-0807

EUVD-2026-260138

fkie_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.

GHSA-vv62-jfwq-693v

ICSA-23-348-10 — Siemens SIMATIC S7-1500

expat 2.1.0 and earlier does not properly handle entities expansion unless an application developer uses the XML_SetEntityDeclHandler function, which allows remote attackers to cause a denial of service (resource consumption), send HTTP requests to intranet servers, or read arbitrary files via a crafted XML document, aka an XML External Entity (XXE) issue. NOTE: it could be argued that because expat already provides the ability to disable external entity expansion, the responsibility for resolving this issue lies with application developers; according to this argument, this entry should be REJECTed, and each affected application would need its own CVE. shadow: TOCTOU (time-of-check time-of-use) race condition when copying and removing directory trees run-mailcap in the Debian mime-support package before 3.52-1+deb7u1 allows context-dependent attackers to execute arbitrary commands via shell metacharacters in a filename. In Python (aka CPython) up to 3.10.8, the mailcap module does not add escape characters into commands discovered in the system mailcap file. This may allow attackers to inject shell commands into applications that call mailcap.findmatch with untrusted input (if they lack validation of user-provided filenames or arguments). The fix is also back-ported to 3.7, 3.8, 3.9 Use-after-free vulnerability in bzip2recover in bzip2 1.0.6 allows remote attackers to cause a denial of service (crash) via a crafted bzip2 file, related to block ends set to before the start o…

msrc_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 wit…

msrc_CVE-2024-34459

OESA-2024-1641 — libxml2 security update

Affected: openEuler:20.03-LTS-SP1: libxml2, openEuler:20.03-LTS-SP4: libxml2, openEuler:22.03-LTS: libxml2, openEuler:22.03-LTS-SP1: libxml2, openEuler:22.03-LTS-SP2: libxml2, openEuler:22.03-LTS-SP3: libxml2

This library allows to manipulate XML files. It includes support to read, modify and write XML and HTML files. There is DTDs support this includes parsing and validation even with complex DtDs, either at parse time or later once the document has been modified. The output can be a simple SAX stream or and in-memory DOM like representations. In this case one can use the built-in XPath and XPointer implementation to select sub nodes or ranges. A flexible Input/Output mechanism is available, with existing HTTP and FTP modules and combined to an URI library. Security Fix(es): 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.(CVE-2024-34459)

openSUSE-SU-2024:13971-1 — libxml2-2-2.12.7-1.1 on GA media

libxml2-2-2.12.7-1.1 on GA media

RHSA-2026:27736 — Red Hat Security Advisory: libxml2 security update

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

RLSA-2026:26354 — Low: libxml2 security update

Affected: Rocky Linux:8: libxml2

The libxml2 library is a development toolbox providing the implementation of various XML standards.

Security Fix(es):

* libxml2: buffer over-read in xmlHTMLPrintFileContext in xmllint.c (CVE-2024-34459)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

SUSE-SU-2024:2267-1 — Security update for libxml2

Security update for libxml2

UBUNTU-CVE-2024-34459

Affected: Ubuntu:Pro:14.04:LTS: libxml2, Ubuntu:Pro:16.04:LTS: libxml2, Ubuntu:Pro:18.04:LTS: libxml2, Ubuntu:20.04:LTS: libxml2, Ubuntu:22.04:LTS: libxml2, Ubuntu:24.04:LTS: libxml2

WID-SEC-W-2024-1159 — libxml2: Schwachstelle ermöglicht Offenlegung von Informationen

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in libxml2 ausnutzen, um Informationen offenzulegen.