7.5
CVSSv3

CVE-2022-40303

Published: 23/11/2022 Updated: 07/11/2023
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 0

Vulnerability Summary

An issue exists in libxml2 prior to 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.

Vulnerability Trend

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xmlsoft libxml2

netapp ontap select deploy administration utility -

netapp clustered data ontap -

netapp clustered data ontap antivirus connector -

netapp active iq unified manager -

netapp snapmanager -

netapp netapp manageability sdk -

apple macos

apple watchos

apple tvos

apple ipados

apple iphone os

netapp h300s_firmware -

netapp h500s_firmware -

netapp h700s_firmware -

netapp h410s_firmware -

netapp h410c_firmware -

Vendor Advisories

Debian Bug report logs - #1022224 libxml2: CVE-2022-40303: Integer overflows with XML_PARSE_HUGE Package: src:libxml2; Maintainer for src:libxml2 is Debian XML/SGML Group <debian-xml-sgml-pkgs@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sat, 22 Oct 2022 09:57:01 UTC Severity: ...
Several security issues were fixed in libxml2 ...
Several security issues were fixed in libxml2 ...
Several vulnerabilities were discovered in libxml2, a library providing support to read, modify and write XML and HTML files CVE-2022-40303 Maddie Stone discovered that missing safety checks in several functions can result in integer overflows when parsing a XML document with the XML_PARSE_HUGE option enabled CVE-2022-40304 Ned W ...
An issue was discovered in libxml2 before 2103 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 (CVE-2022-40303) An issue was discovered in libxml2 befo ...
parserc in libxml2 before 295 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name (CVE-2017-16931) GNOME project libxml2 v2910 has a global buffer over-read vulnerability in xmlEncodeEntitiesInternal at libxml2/entitiesc The issue has been ...
Description<!----> This CVE is under investigation by Red Hat Product Security ...
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Exploits

libxml2 suffers from an integer overflow vulnerability in xmlParseNameComplex ...