- ------------------------------------------------------------------------- Debian Security Advisory DSA-5391-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso April 20, 2023 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : libxml2 CVE ID : CVE-2023-28484 CVE-2023-29469 Debian Bug : 1034436 1034437 Several vulnerabilities were discovered in libxml2, a library providing support to read, modify and write XML and HTML files. CVE-2023-28484 A NULL pointer dereference flaw when parsing invalid XML schemas may result in denial of service. CVE-2023-29469 It was reported that when hashing empty strings which aren't null-terminated, xmlDictComputeFastKey could produce inconsistent results, which may lead to various logic or memory errors. For the stable distribution (bullseye), these problems have been fixed in version 2.9.10+dfsg-6.7+deb11u4. We recommend that you upgrade your libxml2 packages. For the detailed security status of libxml2 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/libxml2 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: [email protected]
Debian: DSA-5391-1: libxml2 security update
April 20, 2023
Several vulnerabilities were discovered in libxml2, a library providing support to read, modify and write XML and HTML files
Summary
CVE-2023-28484
A NULL pointer dereference flaw when parsing invalid XML schemas may
result in denial of service.
CVE-2023-29469
It was reported that when hashing empty strings which aren't
null-terminated, xmlDictComputeFastKey could produce inconsistent
results, which may lead to various logic or memory errors.
For the stable distribution (bullseye), these problems have been fixed in
version 2.9.10+dfsg-6.7+deb11u4.
We recommend that you upgrade your libxml2 packages.
For the detailed security status of libxml2 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/libxml2
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
Severity
Several vulnerabilities were discovered in libxml2, a library providing
support to read, modify and write XML and HTML files.
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