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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2024-25062 |
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. Published: February 04, 2024; 11:15:45 AM -0500 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0:(not available) |
CVE-2023-45322 |
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." Published: October 06, 2023; 6:15:11 PM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0:(not available) |
CVE-2023-29469 |
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). Published: April 24, 2023; 5:15:09 PM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0:(not available) |
CVE-2023-28484 |
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. Published: April 24, 2023; 5:15:09 PM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0:(not available) |
CVE-2022-40304 |
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. Published: November 23, 2022; 1:15:12 PM -0500 |
V4.0:(not available) V3.1: 7.8 HIGH V2.0:(not available) |
CVE-2022-40303 |
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. Published: November 22, 2022; 7:15:11 PM -0500 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0:(not available) |
CVE-2016-3709 |
Possible cross-site scripting vulnerability in libxml after commit 960f0e2. Published: July 28, 2022; 1:15:07 PM -0400 |
V4.0:(not available) V3.1: 6.1 MEDIUM V2.0:(not available) |
CVE-2022-2309 |
NULL Pointer Dereference allows attackers to cause a denial of service (or application crash). This only applies when lxml is used together with libxml2 2.9.10 through 2.9.14. libxml2 2.9.9 and earlier are not affected. It allows triggering crashes through forged input data, given a vulnerable code sequence in the application. The vulnerability is caused by the iterwalk function (also used by the canonicalize function). Such code shouldn't be in wide-spread use, given that parsing + iterwalk would usually be replaced with the more efficient iterparse function. However, an XML converter that serialises to C14N would also be vulnerable, for example, and there are legitimate use cases for this code sequence. If untrusted input is received (also remotely) and processed via iterwalk function, a crash can be triggered. Published: July 05, 2022; 6:15:08 AM -0400 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0: 5.0 MEDIUM |
CVE-2022-29824 |
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. Published: May 02, 2022; 11:15:06 PM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2022-23308 |
valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes. Published: February 26, 2022; 12:15:08 AM -0500 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0: 4.3 MEDIUM |
CVE-2021-3541 |
A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service. Published: July 09, 2021; 1:15:07 PM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 4.0 MEDIUM |
CVE-2021-3517 |
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. Published: May 19, 2021; 10:15:07 AM -0400 |
V4.0:(not available) V3.1: 8.6 HIGH V2.0: 7.5 HIGH |
CVE-2021-3518 |
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. Published: May 18, 2021; 8:15:08 AM -0400 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0: 6.8 MEDIUM |
CVE-2021-3537 |
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. Published: May 14, 2021; 4:15:16 PM -0400 |
V4.0:(not available) V3.1: 5.9 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2020-24977 |
GNOME project libxml2 v2.9.10 has a global buffer over-read vulnerability in xmlEncodeEntitiesInternal at libxml2/entities.c. The issue has been fixed in commit 50f06b3e. Published: September 03, 2020; 8:15:10 PM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 6.4 MEDIUM |
CVE-2020-7595 |
xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation. Published: January 21, 2020; 6:15:13 PM -0500 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0: 5.0 MEDIUM |
CVE-2019-20388 |
xmlSchemaPreRun in xmlschemas.c in libxml2 2.9.10 allows an xmlSchemaValidateStream memory leak. Published: January 21, 2020; 6:15:13 PM -0500 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0: 5.0 MEDIUM |