CVE-2026-6732

>= 2.13.0 and < 2.15.3

A flaw was found in libxml2. This vulnerability occurs when the library processes a specially crafted XML Schema Definition (XSD)

6.5MEDIUM

CVE-2025-9714

< 2.10.0

Uncontrolled recursion in XPath evaluation in libxml2 up to and including version 2.9.14 allows a local attacker to cause a stac

6.2MEDIUM

CVE-2025-6170

all versions

A flaw was found in the interactive shell of the xmllint command-line tool, used for parsing XML files. When a user inputs an over

2.5LOW

CVE-2025-6021

< 2.14.4

A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-base

7.5HIGH

CVE-2025-32415

< 2.13.8

In libxml2 before 2.13.8 and 2.14.x before 2.14.2, xmlSchemaIDCFillNodeTables in xmlschemas.c has a heap-based buffer under-read.

2.9LOW

CVE-2025-32414

< 2.13.8

In libxml2 before 2.13.8 and 2.14.x before 2.14.2, out-of-bounds memory access can occur in the Python API (Python bindings) becau

5.6MEDIUM

CVE-2025-27113

< 2.12.10

libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a NULL pointer dereference in xmlPatMatch in pattern.c.

2.9LOW

CVE-2025-24928

< 2.12.10

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 th

7.8HIGH

CVE-2024-56171

< 2.12.10

libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTable

7.8HIGH

CVE-2022-49043

< 2.11.0

xmlXIncludeAddNode in xinclude.c in libxml2 before 2.11.0 has a use-after-free.

8.1HIGH

CVE-2024-40896

>= 2.11.0 and < 2.11.9

In libxml2 2.11 before 2.11.9, 2.12 before 2.12.9, and 2.13 before 2.13.3, the SAX parser can produce events for external entities

9.1CRITICAL

CVE-2024-34459

< 2.11.8

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 -

7.5HIGH

CVE-2024-25062

< 2.11.7

An issue was discovered in libxml2 before 2.11.7 and 2.12.x before 2.12.5. When using the XML Reader interface with DTD validation

7.5HIGH

CVE-2023-45322

<= 2.11.5

libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails. This occurs in xmlUnlinkN

6.5MEDIUM

CVE-2023-39615

all versions

Xmlsoft Libxml2 v2.11.0 was discovered to contain an out-of-bounds read via the xmlSAX2StartElement() function at /libxml2/SAX2.c.

6.5MEDIUM

CVE-2023-29469

< 2.10.4

An issue was discovered in libxml2 before 2.10.4. When hashing empty dict strings in a crafted XML document, xmlDictComputeFastKey

6.5MEDIUM

CVE-2023-28484

< 2.10.4

In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference and subsequently a segfaul

6.5MEDIUM

CVE-2022-40304

< 2.10.3

An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially

7.8HIGH

CVE-2022-40303

< 2.10.3

An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option

7.5HIGH

CVE-2016-3709

>= 2.9.2 and < 2.9.11

Possible cross-site scripting vulnerability in libxml after commit 960f0e2.

6.1MEDIUM

CVE-2022-29824

< 2.9.14

In libxml2 before 2.9.14, several buffer handling functions in buf.c (xmlBuf) and tree.c (xmlBuffer) don't check for integer ove

6.5MEDIUM

CVE-2022-23308

< 2.9.13

valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes.

7.5HIGH

CVE-2021-3541

< 2.9.11

A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and lea

6.5MEDIUM

CVE-2021-3517

< 2.9.11

There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able to supply a

8.6HIGH

CVE-2021-3518

< 2.9.11

There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an applic

8.8HIGH

CVE-2021-3537

< 2.9.11

A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content,

5.9MEDIUM

CVE-2020-24977

all versions

GNOME project libxml2 v2.9.10 has a global buffer over-read vulnerability in xmlEncodeEntitiesInternal at libxml2/entities.c. The

6.5MEDIUM

CVE-2020-7595

all versions

xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.

7.5HIGH

CVE-2019-20388

all versions

xmlSchemaPreRun in xmlschemas.c in libxml2 2.9.10 allows an xmlSchemaValidateStream memory leak.

7.5HIGH

CVE-2019-19956

< 2.9.10

xmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has a memory leak related to newDoc-oldNs.

7.5HIGH

CVE-2017-15412

< 2.9.5

Use after free in libxml2 before 2.9.5, as used in Google Chrome prior to 63.0.3239.84 and other products, allowed a remote attack

8.8HIGH

CVE-2018-14567

all versions

libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file

6.5MEDIUM

CVE-2016-9598

< 2.9.4

libxml2, as used in Red Hat JBoss Core Services, allows context-dependent attackers to cause a denial of service (out-of-bounds re

6.5MEDIUM

CVE-2016-9596

< 2.9.4

libxml2, as used in Red Hat JBoss Core Services and when in recovery mode, allows context-dependent attackers to cause a denial of

6.5MEDIUM

CVE-2016-9597

all versions

It was found that Red Hat JBoss Core Services erratum RHSA-2016:2957 for CVE-2016-3705 did not actually include the fix for the is

7.5HIGH

CVE-2018-14404

<= 2.9.8

A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing

6.5MEDIUM

CVE-2017-18258

< 2.9.6

The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption)

6.5MEDIUM

CVE-2018-9251

all versions

The xz_decomp function in xzlib.c in libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (

5.3MEDIUM

CVE-2017-7376

< 2.9.5

Buffer overflow in libxml2 allows remote attackers to execute arbitrary code by leveraging an incorrect limit for port values when

9.8CRITICAL

CVE-2017-7375

<= 2.9.4

A flaw in libxml2 allows remote XML entity inclusion with default parser flags (i.e., when the caller did not request entity subst

9.8CRITICAL

CVE-2017-5130

< 2.9.5

An integer overflow in xmlmemory.c in libxml2 before 2.9.5, as used in Google Chrome prior to 62.0.3202.62 and other products, all

8.8HIGH

CVE-2017-16932

<= 2.9.4

parser.c in libxml2 before 2.9.5 does not prevent infinite recursion in parameter entities.

7.5HIGH

CVE-2017-16931

<= 2.9.4

parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReferen

9.8CRITICAL

CVE-2017-9050

all versions

libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictAddString function in dict.c. Thi

7.5HIGH

CVE-2017-9049

all versions

libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictComputeFastKey function in dict.c

7.5HIGH

CVE-2017-9048

all versions

libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a stack-based buffer overflow. The function xmlSnprintfElementContent in vali

7.5HIGH

CVE-2017-9047

all versions

A buffer overflow was discovered in libxml2 20904-GITv2.9.4-16-g0741801. The function xmlSnprintfElementContent in valid.c is supp

7.5HIGH

CVE-2017-8872

all versions

The htmlParseTryOrFinish function in HTMLparser.c in libxml2 2.9.4 allows attackers to cause a denial of service (buffer over-read

9.1CRITICAL

CVE-2017-5969

all versions

libxml2 2.9.4, when used in recover mode, allows remote attackers to cause a denial of service (NULL pointer dereference) via a cr

4.7MEDIUM

CVE-2016-4483

< 2.9.4

The xmlBufAttrSerializeTxtContent function in xmlsave.c in libxml2 allows context-dependent attackers to cause a denial of service

7.5HIGH

CVE-2016-9318

<= 2.9.4

libxml2 2.9.4 and earlier, as used in XMLSec 1.2.23 and earlier and other products, does not offer a flag directly indicating that

5.5MEDIUM

CVE-2016-4658

< 2.9.5

xpointer.c in libxml2 before 2.9.5 (as used in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3, and o

9.8CRITICAL

CVE-2016-5131

<= 2.9.4

Use-after-free vulnerability in libxml2 through 2.9.4, as used in Google Chrome before 52.0.2743.82, allows remote attackers to ca

8.8HIGH

CVE-2016-4449

<= 2.9.3

XML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4, when not i

7.1HIGH

CVE-2016-4448

<= 2.9.3

Format string vulnerability in libxml2 before 2.9.4 allows attackers to have unspecified impact via format string specifiers in un

9.8CRITICAL

CVE-2016-4447

<= 2.9.3

The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of servi

7.5HIGH

CVE-2016-1840

< 2.9.4

Heap-based buffer overflow in the xmlFAParsePosCharGroup function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X

7.8HIGH

CVE-2016-1839

< 2.9.4

The xmlDictAddString function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1,

5.5MEDIUM

CVE-2016-1838

<= 2.9.4

The xmlPArserPrintFileContextInternal function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tv

5.5MEDIUM

CVE-2016-1837

< 2.9.4

Multiple use-after-free vulnerabilities in the (1) htmlPArsePubidLiteral and (2) htmlParseSystemiteral functions in libxml2 before

5.5MEDIUM

CVE-2016-1836

< 2.9.4

Use-after-free vulnerability in the xmlDictComputeFastKey function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS

5.5MEDIUM

CVE-2016-1834

< 2.9.4

Heap-based buffer overflow in the xmlStrncat function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.1

7.8HIGH

CVE-2016-1833

< 2.9.4

The htmlCurrentChar function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, a

5.5MEDIUM

CVE-2016-3705

all versions

The (1) xmlParserEntityCheck and (2) xmlParseAttValueComplex functions in parser.c in libxml2 2.9.3 do not properly keep track of

7.5HIGH

CVE-2016-3627

<= 2.9.3

The xmlStringGetNodeList function in tree.c in libxml2 2.9.3 and earlier, when used in recovery mode, allows context-dependent att

7.5HIGH

CVE-2015-6838

<= 2.9.1

The xsl_ext_function_php function in ext/xsl/xsltprocessor.c in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13, w

7.5HIGH

CVE-2015-6837

<= 2.9.1

The xsl_ext_function_php function in ext/xsl/xsltprocessor.c in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13, w

7.5HIGH

CVE-2015-8806

< 2.9.4

dict.c in libxml2 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via an

7.5HIGH

CVE-2015-8710

< 2.9.3

The htmlParseComment function in HTMLparser.c in libxml2 allows attackers to obtain sensitive information, cause a denial of servi

9.8CRITICAL

CVE-2016-1762

< 2.9.4

The xmlNextChar function in libxml2 before 2.9.4 allows remote attackers to cause a denial of service (heap-based buffer over-read

8.1HIGH

CVE-2016-2073

< 2.9.4

The htmlParseNameComplex function in HTMLparser.c in libxml2 allows attackers to cause a denial of service (out-of-bounds read) vi

6.5MEDIUM

CVE-2015-8317

<= 2.9.2

The xmlParseXMLDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to obtain sensitive informatio

CVE-2015-8242

<= 2.9.2

The xmlSAX2TextNode function in SAX2.c in the push interface in the HTML parser in libxml2 before 2.9.3 allows context-dependent a

CVE-2015-8241

<= 2.9.2

The xmlNextChar function in libxml2 2.9.2 does not properly check the state, which allows context-dependent attackers to cause a d

CVE-2015-7500

<= 2.9.2

The xmlParseMisc function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service (out

CVE-2015-7499

<= 2.9.2

Heap-based buffer overflow in the xmlGROW function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to obtai

CVE-2015-7498

<= 2.9.2

Heap-based buffer overflow in the xmlParseXmlDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers

CVE-2015-7497

<= 2.9.2

Heap-based buffer overflow in the xmlDictComputeFastQKey function in dict.c in libxml2 before 2.9.3 allows context-dependent attac

CVE-2015-5312

<= 2.9.2

The xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.3 does not properly prevent entity expansion, which allo

CVE-2015-8035

all versions

The xz_decomp function in xzlib.c in libxml2 2.9.1 does not properly detect compression errors, which allows context-dependent att

CVE-2015-7942

all versions

The xmlParseConditionalSections function in parser.c in libxml2 does not properly skip intermediary entities when it stops parsing

CVE-2015-7941

all versions

libxml2 2.9.2 does not properly stop parsing invalid input, which allows context-dependent attackers to cause a denial of service

CVE-2014-3660

<= 2.9.1

parser.c in libxml2 before 2.9.2 does not properly prevent entity expansion even when entity substitution has been disabled, which

CVE-2013-0339

<= 2.9.1

libxml2 through 2.9.1 does not properly handle external entities expansion unless an application developer uses the xmlSAX2Resolve

CVE-2013-2877

<= 2.9.0

parser.c in libxml2 before 2.9.0, as used in Google Chrome before 28.0.1500.71 and other products, allows remote attackers to caus

CVE-2013-1969

all versions

Multiple use-after-free vulnerabilities in libxml2 2.9.0 and possibly other versions might allow context-dependent attackers to ca

CVE-2013-0338

<= 2.9.0

libxml2 2.9.0 and earlier allows context-dependent attackers to cause a denial of service (CPU and memory consumption) via an XML

CVE-2012-0841

<= 2.7.8

libxml2 before 2.8.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows con

CVE-2012-5134

<= 2.9.0

Heap-based buffer underflow in the xmlParseAttValueComplex function in parser.c in libxml2 2.9.0 and earlier, as used in Google Ch

CVE-2012-2871

<= 2.9.0

libxml2 2.9.0-rc1 and earlier, as used in Google Chrome before 21.0.1180.89, does not properly support a cast of an unspecified va

CVE-2011-1944

all versions

Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier, allows context

CVE-2010-4494

<= 2.7.8

Double free vulnerability in libxml2 2.7.8 and other versions, as used in Google Chrome before 8.0.552.215 and other products, all

CVE-2010-4008

< 2.7.8

libxml2 before 2.7.8, as used in Google Chrome before 7.0.517.44, Apple Safari 5.0.2 and earlier, and other products, reads from i

CVE-2009-2416

all versions

Multiple use-after-free vulnerabilities in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and 2.6.32, and libxml 1.8.17, allow context-de

6.5MEDIUM

CVE-2009-2414

all versions

Stack consumption vulnerability in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and 2.6.32, and libxml 1.8.17, allows context-dependent

CVE-2008-4409

all versions

libxml2 2.7.0 and 2.7.1 does not properly handle "predefined entities definitions" in entities, which allows context-dependent att

CVE-2008-3529

< 2.7.0

Heap-based buffer overflow in the xmlParseAttValueComplex function in parser.c in libxml2 before 2.7.0 allows context-dependent at

CVE-2008-3281

<= 2.6.32

libxml2 2.6.32 and earlier does not properly detect recursion during entity expansion in an attribute value, which allows context-

6.5MEDIUM

CVE-2004-0989

all versions

Multiple buffer overflows in libXML 2.6.12 and 2.6.13 (libxml2), and possibly other versions, may allow remote attackers to execut

CVE-2004-0110

all versions

Buffer overflow in the (1) nanohttp or (2) nanoftp modules in XMLSoft Libxml 2 (Libxml2) 2.6.0 through 2.6.5 allow remote attacker

CVE-2003-1564

< 2.5.0

libxml2, possibly before 2.5.0, does not properly detect recursion during entity expansion, which allows context-dependent attacke

6.5MEDIUM