CVE-2023-45322

The CVE-2023-45322 issue affects libxml2 up to version 2.11.5, with a use-after-free in xmlUnlinkNode (tree.c) that requires a failing memory allocation to trigger. Affected products include libxml2 libraries used in multiple distributions (Debian, Amazon Linux, Gentoo, CBLMariner, Astra Linux, e...

CVE-2021-3541

CVE-2021-3541 describes a vulnerability in libxml2 where exponential entity expansion can bypass protections and cause a denial of service. The Initial Description confirms the flaw and its DoS impact, and connected documents (e.g., Astra Linux bulletin and BSNSA entries) reiterate libxml2 involv...

CVE-2020-24977

CVE-2020-24977 affects GNOME libxml2 up to version 2.9.10. The issue is a global buffer over-read in xmlEncodeEntitiesInternal (libxml2/entities.c), which can lead to information disclosure or crash conditions. The vulnerability was fixed in the commit 50f06b3e. Connected advisories corroborate l...

CVE-2022-29824

Summary: CVE-2022-29824 affects libxml2 up to version 2.9.14. Several buffer handling functions in buf.c (xmlBuf*) and tree.c (xmlBuffer*) fail to check integer overflows, causing out-of-bounds memory writes when processing crafted XML files. This vulnerability also affects software that uses lib...

CVE-2023-28484

CVE-2023-28484 affects libxml2 up to version 2.10.3, where parsing certain invalid XSD schemas can trigger a NULL pointer dereference in xmlSchemaFixupComplexType (xmlschemas.c), potentially causing a segfault. The issue is addressed by libxml2 2.10.4 (release notes linked in connected docs). Rem...

CVE-2016-3709

CVE-2016-3709 is a vulnerability in the libxml2 HTML 4 parser. The issue arises after commit 960f0e2 and enables cross-site scripting. Public advisories confirm impact on libxml2 and list fixed versions: Debian Bullseye fixes in 2.9.10+dfsg-6.7+deb11u5; AlmaLinux notes an XSS fix; Cloud Foundry a...

CVE-2023-29469

libxml2 before 2.10.4 is affected by CVE-2023-29469 and CVE-2023-28484. The issue stems from hashing empty dict strings in crafted XML, leading to non-deterministic dict keys and memory errors such as double frees. Affected products include libxml2 implementations used in various stacks; upgrade ...

CVE-2023-39615

CVE-2023-39615 : Libxml2 (version 2.11.0) contains an out-of-bounds read in xmlSAX2StartElement() (/libxml2/SAX2.c) that can cause a Denial of Service when parsing a crafted XML. The vendor notes that Libxml2 does not support the legacy SAX1 interface with custom callbacks; there is a crash even ...

CVE-2018-14567

CVE-2018-14567: libxml2 2.9.8 with LZMA support is vulnerable to denial of service via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR (infinite loop). Exploitation vector is a crafted XML payload; affected component is libxml2/xz decompression path when built with --with-lzma. Several vendo...

CVE-2017-18258

The CVE-2017-18258 entry affects libxml2: the xz_head function in xzlib.c (pre-2.9.6) allows remote attackers to cause a denial of service via crafted LZMA files by not restricting memory usage to a legitimate file. Impact is memory consumption/DoS; no exploit details are provided in the initial ...

CVE-2015-7942

CVE-2015-7942 affects libxml2 and describes a denial-of-service/ crash caused by a heap-based buffer issue in the xmlParseConditionalSections function when parsing crafted XML data, leading to an out-of-bounds read. The initial document provides concrete details: vulnerable component is libxml2 (...

CVE-2009-2416

CVE-2009-2416 is a use-after-free in libxml2 (versions 2.5.10, 2.6.16, 2.6.26, 2.6.27, 2.6.32) and libxml 1.8.17 triggered by crafted Notation/Enumeration attribute types in a DTD; leads to denial of service (application crash). Related CVE-2009-2414 is a stack-growth DoS via deep DTD structures....

CVE-2015-8241

CVE-2015-8241 affects libxml2 (notably the xmlNextChar path) where improper state checking can lead to a heap-based buffer over-read, DoS, and potential information disclosure. Public docs place the vulnerable component in libxml2 2.9.2; exploitation requires crafted XML data. Several connected a...

CVE-2016-2073

CVE-2016-2073 affects libxml2: a vulnerability in htmlParseNameComplex() can cause a heap-based buffer overflow / out-of-bounds read, leading to potential denial of service or code execution when processing a crafted XML file. The connected IBM/IBM Guards pages confirm the issue and list affected...

CVE-2013-0339

CVE-2013-0339 affects libxml2 up to version 2.9.1 and is an XML External Entity (XXE) issue. The root cause is improper handling of external entities expansion unless an application developer uses xmlSAX2ResolveEntity or xmlSetExternalEntityLoader. Impact cited includes potential denial of servic...

CVE-2008-3281

libxml2 up to version 2.6.32 is affected by CVE-2008-3281 due to improper detection of recursion during entity expansion in an attribute value, enabling a denial-of-service via crafted XML (memory and CPU consumption). The Gentoo GLSA confirms this, and recommends upgrading to libxml2 >= 2.7.2...

CVE-2012-5134

CVE-2012-5134 is a heap-based buffer underflow in libxml2’s xmlParseAttValueComplex (parser.c) present in libxml2 2.9.0 and earlier, used by Google Chrome up to 23.0.1271.91 and other products. The flaw allows a remote attacker to cause a crash or possibly execute arbitrary code via crafted XML e...

CVE-2012-2871

CVE-2012-2871 describes a memory handling issue in libxml2 (used in Chrome prior to 21.0.1180.89) where a bad cast during XSLT processing can lead to denial of service or potentially other impacts via a crafted document (root cause related to _xmlNs in include/libxml/tree.h). Connected advisories...

CVE-2016-9598

CVE-2016-9598 affects libxml2 as used in Red Hat JBoss Core Services. The vulnerability is a denial-of-service due to an out-of-bounds read in libxml2 triggered by a specially crafted XML document, which can crash the application. Note that this issue exists because of a missing fix for CVE-2016-...

CVE-2025-9714

CVE-2025-9714 affects libxml2 up to and including 2.9.14. The vulnerability arises from uncontrolled recursion in XPath evaluation: xmlXPathRunEval, xmlXPathCtxtCompile, and xmlXPathEvalExpr reset recursion depth to zero before recursion, enabling stack overflow via crafted expressions. Impact is...

CVE-2016-9596

CVE-2016-9596 is a libxml2-based denial-of-service issue observed in Red Hat JBoss Core Services, triggered by a crafted XML document while in recovery mode. The linked CNVD entry corroborates a DoS via a crafted XML document, noting a stack-related impact (stack corruption/DoS) and that it arise...