expat: CVE-2023-52425

Related Vulnerabilities: CVE-2023-52425  

Debian Bug report logs - #1063238
expat: CVE-2023-52425

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

Date: Mon, 5 Feb 2024 20:15:09 UTC

Severity: important

Tags: security, upstream

Found in version expat/2.5.0-2

Forwarded to https://github.com/libexpat/libexpat/pull/789

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Report forwarded to debian-bugs-dist@lists.debian.org, carnil@debian.org, team@security.debian.org, Laszlo Boszormenyi (GCS) <gcs@debian.org>:
Bug#1063238; Package src:expat. (Mon, 05 Feb 2024 20:15:11 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, Laszlo Boszormenyi (GCS) <gcs@debian.org>. (Mon, 05 Feb 2024 20:15:11 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: expat: CVE-2023-52425
Date: Mon, 05 Feb 2024 21:10:59 +0100
Source: expat
Version: 2.5.0-2
Severity: important
Tags: security upstream
Forwarded: https://github.com/libexpat/libexpat/pull/789
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for expat.

CVE-2023-52425[0]:
| libexpat through 2.5.0 allows a denial of service (resource
| consumption) because many full reparsings are required in the case
| of a large token for which multiple buffer fills are needed.


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-2023-52425
    https://www.cve.org/CVERecord?id=CVE-2023-52425
[1] https://github.com/libexpat/libexpat/pull/789
[2] https://github.com/libexpat/libexpat/commit/34b598c5f594b015c513c73f06e7ced3323edbf1

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore



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