Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2021.1578
libxml2 security update
11 May 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: libxml2
Publisher: Debian
Operating System: Debian GNU/Linux
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Modify Arbitrary Files -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-3537 CVE-2021-3518 CVE-2021-3517
CVE-2021-3516
Reference: ESB-2021.1547
Original Bulletin:
https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
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Debian LTS Advisory DLA-2653-1 debian-lts@lists.debian.org
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
files.
For Debian 9 stretch, these problems have been fixed in version
2.9.4+dfsg1-2.2+deb9u4.
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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