libxml2: CVE-2021-3518

Related Vulnerabilities: CVE-2021-3518  

Debian Bug report logs - #987737
libxml2: CVE-2021-3518

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Reported by: Salvatore Bonaccorso <carnil@debian.org>

Date: Wed, 28 Apr 2021 19:27:01 UTC

Severity: important

Tags: security, upstream

Found in version libxml2/2.9.10+dfsg-6.3

Forwarded to https://gitlab.gnome.org/GNOME/libxml2/-/issues/237

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Report forwarded to debian-bugs-dist@lists.debian.org, carnil@debian.org, team@security.debian.org, Debian XML/SGML Group <debian-xml-sgml-pkgs@lists.alioth.debian.org>:
Bug#987737; Package src:libxml2. (Wed, 28 Apr 2021 19:27:03 GMT) (full text, mbox, link).


Acknowledgement sent to Salvatore Bonaccorso <carnil@debian.org>:
New Bug report received and forwarded. Copy sent to carnil@debian.org, team@security.debian.org, Debian XML/SGML Group <debian-xml-sgml-pkgs@lists.alioth.debian.org>. (Wed, 28 Apr 2021 19:27:03 GMT) (full text, mbox, link).


Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: libxml2: CVE-2021-3518
Date: Wed, 28 Apr 2021 21:25:12 +0200
Source: libxml2
Version: 2.9.10+dfsg-6.3
Severity: important
Tags: security upstream
Forwarded: https://gitlab.gnome.org/GNOME/libxml2/-/issues/237
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for libxml2.

CVE-2021-3518[0]:
| use-after-free in xmlXIncludeDoProcess() in xinclude.c

Note the code changed and the patch will not apply cleanly directly,
but the issue is present in 2.9.10 as well.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2021-3518
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3518
[1] https://gitlab.gnome.org/GNOME/libxml2/-/issues/237
[2] https://gitlab.gnome.org/GNOME/libxml2/-/commit/1098c30a040e72a4654968547f415be4e4c40fe7

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore



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