libxml2: libxml2: Arbitrary code execution via stack-based buffer overflow in xmlSnprintfElements

A flaw was found in libxml2. A local attacker could exploit a stack-based buffer overflow in the xmlSnprintfElements function to achieve arbitrary code execution. This vulnerability in a fundamental system library could lead to significant system compromise if successfully exploited...

libxml2: libxml2: Arbitrary code execution via stack-based buffer overflow in xmlSnprintfElements

A flaw was found in libxml2. A local attacker could exploit a stack-based buffer overflow in the xmlSnprintfElements function to achieve arbitrary code execution. This vulnerability in a fundamental system library could lead to significant system compromise if successfully exploited...

libxml2: libxml2: Arbitrary code execution via stack-based buffer overflow in xmlSnprintfElements

A flaw was found in libxml2. A local attacker could exploit a stack-based buffer overflow in the xmlSnprintfElements function to achieve arbitrary code execution. This vulnerability in a fundamental system library could lead to significant system compromise if successfully exploited...

libxml2: libxml2: Arbitrary code execution via stack-based buffer overflow in xmlSnprintfElements

A flaw was found in libxml2. A local attacker could exploit a stack-based buffer overflow in the xmlSnprintfElements function to achieve arbitrary code execution. This vulnerability in a fundamental system library could lead to significant system compromise if successfully exploited...

libxml2: libxml2: Arbitrary code execution via stack-based buffer overflow in xmlSnprintfElements

A flaw was found in libxml2. A local attacker could exploit a stack-based buffer overflow in the xmlSnprintfElements function to achieve arbitrary code execution. This vulnerability in a fundamental system library could lead to significant system compromise if successfully exploited...

libxml2: libxml2: Arbitrary code execution via stack-based buffer overflow in xmlSnprintfElements

A flaw was found in libxml2. A local attacker could exploit a stack-based buffer overflow in the xmlSnprintfElements function to achieve arbitrary code execution. This vulnerability in a fundamental system library could lead to significant system compromise if successfully exploited...

libxml2: libxml2: Arbitrary code execution via stack-based buffer overflow in xmlSnprintfElements

A flaw was found in libxml2. A local attacker could exploit a stack-based buffer overflow in the xmlSnprintfElements function to achieve arbitrary code execution. This vulnerability in a fundamental system library could lead to significant system compromise if successfully exploited...

CLSA-2025-1755708467 libxml2: Fix of 2 CVEs

CVE-2025-24928: fix stack-based buffer overflow in xmlSnprintfElements in valid.c - CVE-2024-56171: fix use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c...

Astra Linux – vulnerability in libxml2

Libxml2 versions prior to 2.12.10 and 2.13.x prior to 2.13.6 contain a stack-based buffer overflow in xmlSnprintfElements within valid.c. To exploit this vulnerability, DTD validation must be performed on an untrusted document or untrusted DTD. NOTE: this is similar to CVE-2017-9047...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: libxml2 (UTSA-2026-130066)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-130066 advisory. In libxml2 before 2.15.4, xmlSnprintfElements in valid.c has a strcat stack-based buffer overflow. Tenable has extracted the preceding description block directly fro...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libxml2 (UTSA-2026-130053)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-130053 advisory. In libxml2 before 2.15.4, xmlSnprintfElements in valid.c has a strcat stack-based buffer overflow. Tenable has extracted the preceding description block directly fro...

AlmaLinux 9.2 [TuxCare] Security Update: libxml2 / libxml2-devel / libxml2-static / python3-libxml2 (ALMALINUX9.2:CLSA-2025:1742918628)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1742918628 advisory. - libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based buffer overflow in xmlSnprintfElements in valid.c. To exploit this, DTD...

CentOS Linux 7 [TuxCare] Security Update: libxml2 / libxml2-devel / libxml2-python / libxml2-static (CENTOS7:CLSA-2026:1789745061)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1789745061 advisory. - In libxml2 before 2.15.4, xmlSnprintfElements in valid.c has a strcat stack-based buffer overflow. CVE-2026-86140 Note that Nessus has not test...

libxml2: libxml2: Arbitrary code execution via stack-based buffer overflow in xmlSnprintfElements

A flaw was found in libxml2. A local attacker could exploit a stack-based buffer overflow in the xmlSnprintfElements function to achieve arbitrary code execution. This vulnerability in a fundamental system library could lead to significant system compromise if successfully exploited...

libxml2: libxml2: Arbitrary code execution via stack-based buffer overflow in xmlSnprintfElements

A flaw was found in libxml2. A local attacker could exploit a stack-based buffer overflow in the xmlSnprintfElements function to achieve arbitrary code execution. This vulnerability in a fundamental system library could lead to significant system compromise if successfully exploited...

libxml2: libxml2: Arbitrary code execution via stack-based buffer overflow in xmlSnprintfElements

A flaw was found in libxml2. A local attacker could exploit a stack-based buffer overflow in the xmlSnprintfElements function to achieve arbitrary code execution. This vulnerability in a fundamental system library could lead to significant system compromise if successfully exploited...

CLSA-2026-1789632227 libxml2: Fix of 5 CVEs

CVE-2026-86138: add overflow checks to xmlDictAddQString to prevent an integer overflow and heap buffer overflow - CVE-2026-86140: bound the writes in xmlSnprintfElements to prevent a stack buffer overflow - CVE-2026-86142: make xmlStrlen saturate above INTMAX and reject the saturated length in...

CLSA-2026-1789745061 libxml2: Fix of CVE-2026-86140

CVE-2026-86140: add bounds checks around the englobing parenthesis strcat calls in xmlSnprintfElements to prevent stack buffer overflow when dumping long element lists...

OESA-2026-3887 libxml2 security update

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 strea...

OESA-2026-3885 libxml2 security update

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 strea...