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128 vulnerabilities by xmlsoft
CVE-2025-9714 (GCVE-0-2025-9714)
Vulnerability from cvelistv5 – Published: 2025-09-10 18:43 – Updated: 2025-11-03 18:14
VLAI?
Summary
Uncontrolled recursion in XPath evaluation in libxml2 up to and including version 2.9.14 allows a local attacker to cause a stack overflow via crafted expressions. XPath processing functions `xmlXPathRunEval`, `xmlXPathCtxtCompile`, and `xmlXPathEvalExpr` were resetting recursion depth to zero before making potentially recursive calls. When such functions were called recursively this could allow for uncontrolled recursion and lead to a stack overflow. These functions now preserve recursion depth across recursive calls, allowing recursion depth to be controlled.
Severity ?
6.2 (Medium)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| libxml2 | libxml2 |
Affected:
0 , < 2.10.0
(semver)
Affected: 0 , < 2.12.7+dfsg+really2.9.14-0.4ubuntu0.3 (dpkg) Affected: 0 , < 2.9.14+dfsg-1.3ubuntu3.5 (dpkg) Affected: 0 , < 2.9.13+dfsg-1ubuntu0.9 (dpkg) Affected: 0 , < 2.9.10+dfsg-5ubuntu0.20.04.10+esm2 (dpkg) Affected: 0 , < 2.9.4+dfsg1-6.1ubuntu1.9+esm5 (dpkg) Affected: 0 , < 2.9.3+dfsg1-1ubuntu0.7+esm10 (dpkg) Affected: 0 , < 2.9.1+dfsg1-3ubuntu4.13+esm9 (dpkg) |
Credits
Nikita Sveshnikov (Positive Technologies)
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CVE-2025-7424 (GCVE-0-2025-7424)
Vulnerability from cvelistv5 – Published: 2025-07-10 14:05 – Updated: 2025-11-06 21:10
VLAI?
Summary
A flaw was found in the libxslt library. The same memory field, psvi, is used for both stylesheet and input data, which can lead to type confusion during XML transformations. This vulnerability allows an attacker to crash the application or corrupt memory. In some cases, it may lead to denial of service or unexpected behavior.
Severity ?
7.8 (High)
CWE
- CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
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| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
|||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||
Credits
Red Hat would like to thank Ivan Fratric (Google Project Zero) for reporting this issue.
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CVE-2025-6170 (GCVE-0-2025-6170)
Vulnerability from cvelistv5 – Published: 2025-06-16 15:24 – Updated: 2025-11-07 00:42
VLAI?
Summary
A flaw was found in the interactive shell of the xmllint command-line tool, used for parsing XML files. When a user inputs an overly long command, the program does not check the input size properly, which can cause it to crash. This issue might allow attackers to run harmful code in rare configurations without modern protections.
Severity ?
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Affected:
0 , < 2.14.5
(semver)
|
|||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||
Credits
Red Hat would like to thank Ahmed Lekssays for reporting this issue.
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CVE-2025-6021 (GCVE-0-2025-6021)
Vulnerability from cvelistv5 – Published: 2025-06-12 12:49 – Updated: 2025-11-29 00:08
VLAI?
Summary
A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.
Severity ?
7.5 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
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|
Affected:
0 , < 2.14.4
(semver)
|
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Credits
Red Hat would like to thank Ahmed Lekssays for reporting this issue.
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CVE-2025-32415 (GCVE-0-2025-32415)
Vulnerability from cvelistv5 – Published: 2025-04-17 00:00 – Updated: 2025-11-03 19:53
VLAI?
Summary
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. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.
Severity ?
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
Impacted products
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CVE-2025-32414 (GCVE-0-2025-32414)
Vulnerability from cvelistv5 – Published: 2025-04-08 00:00 – Updated: 2025-11-03 19:53
VLAI?
Summary
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) because of an incorrect return value. This occurs in xmlPythonFileRead and xmlPythonFileReadRaw because of a difference between bytes and characters.
Severity ?
5.6 (Medium)
CWE
- CWE-393 - Return of Wrong Status Code
Assigner
References
Impacted products
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CVE-2024-55549 (GCVE-0-2024-55549)
Vulnerability from cvelistv5 – Published: 2025-03-14 00:00 – Updated: 2025-11-03 20:48
VLAI?
Summary
xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result prefixes.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
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CVE-2025-24855 (GCVE-0-2025-24855)
Vulnerability from cvelistv5 – Published: 2025-03-14 00:00 – Updated: 2025-11-03 21:12
VLAI?
Summary
numbers.c in libxslt before 1.1.43 has a use-after-free because, in nested XPath evaluations, an XPath context node can be modified but never restored. This is related to xsltNumberFormatGetValue, xsltEvalXPathPredicate, xsltEvalXPathStringNs, and xsltComputeSortResultInternal.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
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CVE-2025-27113 (GCVE-0-2025-27113)
Vulnerability from cvelistv5 – Published: 2025-02-18 00:00 – Updated: 2025-11-03 21:13
VLAI?
Summary
libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a NULL pointer dereference in xmlPatMatch in pattern.c.
Severity ?
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
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CVE-2025-24928 (GCVE-0-2025-24928)
Vulnerability from cvelistv5 – Published: 2025-02-18 00:00 – Updated: 2025-11-03 21:12
VLAI?
Summary
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 validation must occur for an untrusted document or untrusted DTD. NOTE: this is similar to CVE-2017-9047.
Severity ?
7.8 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
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CVE-2024-56171 (GCVE-0-2024-56171)
Vulnerability from cvelistv5 – Published: 2025-02-18 00:00 – Updated: 2025-11-03 20:49
VLAI?
Summary
libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
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CVE-2022-49043 (GCVE-0-2022-49043)
Vulnerability from cvelistv5 – Published: 2025-01-26 00:00 – Updated: 2025-11-03 20:35
VLAI?
Summary
xmlXIncludeAddNode in xinclude.c in libxml2 before 2.11.0 has a use-after-free.
Severity ?
8.1 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
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CVE-2024-40896 (GCVE-0-2024-40896)
Vulnerability from cvelistv5 – Published: 2024-12-23 00:00 – Updated: 2025-02-28 13:07
VLAI?
Summary
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 even if custom SAX handlers try to override entity content (by setting "checked"). This makes classic XXE attacks possible.
Severity ?
9.1 (Critical)
CWE
- CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
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CVE-2024-34459 (GCVE-0-2024-34459)
Vulnerability from cvelistv5 – Published: 2024-05-13 00:00 – Updated: 2025-11-04 22:06
VLAI?
Summary
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.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
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CVE-2024-25062 (GCVE-0-2024-25062)
Vulnerability from cvelistv5 – Published: 2024-02-04 00:00 – Updated: 2025-11-03 21:53
VLAI?
Summary
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 and XInclude expansion enabled, processing crafted XML documents can lead to an xmlValidatePopElement use-after-free.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
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CVE-2023-45322 (GCVE-0-2023-45322)
Vulnerability from cvelistv5 – Published: 2023-10-06 00:00 – Updated: 2025-11-03 20:36
VLAI?
Summary
libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails. This occurs in xmlUnlinkNode in tree.c. NOTE: the vendor's position is "I don't think these issues are critical enough to warrant a CVE ID ... because an attacker typically can't control when memory allocations fail."
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2023-39615 (GCVE-0-2023-39615)
Vulnerability from cvelistv5 – Published: 2023-08-29 00:00 – Updated: 2025-11-03 20:35
VLAI?
Summary
Xmlsoft Libxml2 v2.11.0 was discovered to contain an out-of-bounds read via the xmlSAX2StartElement() function at /libxml2/SAX2.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted XML file. NOTE: the vendor's position is that the product does not support the legacy SAX1 interface with custom callbacks; there is a crash even without crafted input.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2023-29469 (GCVE-0-2023-29469)
Vulnerability from cvelistv5 – Published: 2023-04-24 00:00 – Updated: 2025-02-04 21:02
VLAI?
Summary
An issue was discovered in libxml2 before 2.10.4. When hashing empty dict strings in a crafted XML document, xmlDictComputeFastKey in dict.c can produce non-deterministic values, leading to various logic and memory errors, such as a double free. This behavior occurs because there is an attempt to use the first byte of an empty string, and any value is possible (not solely the '\0' value).
Severity ?
6.5 (Medium)
CWE
- n/a
Assigner
References
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CVE-2023-28484 (GCVE-0-2023-28484)
Vulnerability from cvelistv5 – Published: 2023-04-24 00:00 – Updated: 2025-05-30 19:44
VLAI?
Summary
In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference and subsequently a segfault. This occurs in xmlSchemaFixupComplexType in xmlschemas.c.
Severity ?
6.5 (Medium)
CWE
- n/a
Assigner
References
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CVE-2022-40304 (GCVE-0-2022-40304)
Vulnerability from cvelistv5 – Published: 2022-11-23 00:00 – Updated: 2025-04-28 19:49
VLAI?
Summary
An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked.
Severity ?
7.8 (High)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2022-40303 (GCVE-0-2022-40303)
Vulnerability from cvelistv5 – Published: 2022-11-22 00:00 – Updated: 2025-04-29 04:24
VLAI?
Summary
An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2016-3709 (GCVE-0-2016-3709)
Vulnerability from cvelistv5 – Published: 2022-07-28 16:52 – Updated: 2025-11-04 16:09
VLAI?
Summary
Possible cross-site scripting vulnerability in libxml after commit 960f0e2.
Severity ?
No CVSS data available.
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
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CVE-2022-29824 (GCVE-0-2022-29824)
Vulnerability from cvelistv5 – Published: 2022-05-03 00:00 – Updated: 2024-08-03 06:33
VLAI?
Summary
In libxml2 before 2.9.14, several buffer handling functions in buf.c (xmlBuf*) and tree.c (xmlBuffer*) don't check for integer overflows. This can result in out-of-bounds memory writes. Exploitation requires a victim to open a crafted, multi-gigabyte XML file. Other software using libxml2's buffer functions, for example libxslt through 1.1.35, is affected as well.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||
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CVE-2022-23308 (GCVE-0-2022-23308)
Vulnerability from cvelistv5 – Published: 2022-02-26 00:00 – Updated: 2025-05-05 16:26
VLAI?
Summary
valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2021-30560 (GCVE-0-2021-30560)
Vulnerability from cvelistv5 – Published: 2021-08-03 00:00 – Updated: 2025-05-05 16:53
VLAI?
Summary
Use after free in Blink XSLT in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Severity ?
8.8 (High)
CWE
- Use after free
Assigner
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2021-3541 (GCVE-0-2021-3541)
Vulnerability from cvelistv5 – Published: 2021-07-09 16:02 – Updated: 2024-08-03 17:01
VLAI?
Summary
A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.
Severity ?
No CVSS data available.
CWE
- Denial of Service
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2021-3516 (GCVE-0-2021-3516)
Vulnerability from cvelistv5 – Published: 2021-06-01 13:38 – Updated: 2024-08-03 16:53
VLAI?
Summary
There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.
Severity ?
No CVSS data available.
CWE
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
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CVE-2021-3517 (GCVE-0-2021-3517)
Vulnerability from cvelistv5 – Published: 2021-05-19 13:45 – Updated: 2025-12-02 21:34
VLAI?
Summary
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 crafted file to be processed by an application linked with the affected functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this flaw is to application availability, with some potential impact to confidentiality and integrity if an attacker is able to use memory information to further exploit the application.
Severity ?
8.6 (High)
CWE
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||
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CVE-2021-3518 (GCVE-0-2021-3518)
Vulnerability from cvelistv5 – Published: 2021-05-18 11:20 – Updated: 2024-08-03 17:01
VLAI?
Summary
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 application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.
Severity ?
No CVSS data available.
CWE
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2021-3537 (GCVE-0-2021-3537)
Vulnerability from cvelistv5 – Published: 2021-05-14 19:50 – Updated: 2024-08-03 17:01
VLAI?
Summary
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
Severity ?
No CVSS data available.
CWE
Assigner
References
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