Debian Bug report logs -
#1010526
libxml2: CVE-2022-29824: integer overflows in xmlBuf and xmlBuffer
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Bug#1010526
; Package src:libxml2
.
(Tue, 03 May 2022 15:45:03 GMT) (full text, mbox, link).
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to Salvatore Bonaccorso <carnil@debian.org>
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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>
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(Tue, 03 May 2022 15:45:03 GMT) (full text, mbox, link).
Message #5 received at submit@bugs.debian.org (full text, mbox, reply):
Source: libxml2
Version: 2.9.13+dfsg-1
Severity: grave
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>
Hi,
The following vulnerability was published for libxml2.
CVE-2022-29824[0]:
| In libxml2 before 2.9.14, several buffer handling functions in buf.c
| (xmlBuf*) and tree.c (xmlBuffer*) don't check for integer overflows.
| This can result in out-of-bounds memory writes. Exploitation requires
| a victim to open a crafted, multi-gigabyte XML file. Other software
| using libxml2's buffer functions, for example libxslt through 1.1.35,
| is affected 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-2022-29824
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-29824
[1] https://gitlab.gnome.org/GNOME/libxml2/-/commit/2554a2408e09f13652049e5ffb0d26196b02ebab
Please adjust the affected versions in the BTS as needed.
Regards,
Salvatore
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