[SECURITY] [DLA 3405-1] libxml2 security update
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Debian LTS Advisory DLA-3405-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Thorsten Alteholz
April 30, 2023 https://wiki.debian.org/LTS
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Package : libxml2
Version : 2.9.4+dfsg1-7+deb10u6
CVE ID : CVE-2023-28484 CVE-2023-29469
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 Debian 10 buster, these problems have been fixed in version
2.9.4+dfsg1-7+deb10u6.
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 LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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