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Debian LTS Advisory DLA-2653-1                [email protected]
https://www.debian.org/lts/security/               Emilio Pozuelo Monfort
May 10, 2021                                  https://wiki.debian.org/LTS
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Package        : libxml2
Version        : 2.9.4+dfsg1-2.2+deb9u4
CVE ID         : CVE-2021-3516 CVE-2021-3517 CVE-2021-3518 CVE-2021-3537

Several vulnerabilities were discovered in libxml2, a library providing
support to read, modify and write XML and HTML files, which could cause
denial of service via application crash when parsing specially crafted

For Debian 9 stretch, these problems have been fixed in version

We recommend that you upgrade your libxml2 packages.

For the detailed security status of libxml2 please refer to
its security tracker page at:

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