Operating System:

[Debian]

Published:

19 September 2023

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2023.5333
                          libwebp security update
                             19 September 2023

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           libwebp
Publisher:         Debian
Operating System:  Debian GNU/Linux
Resolution:        Patch/Upgrade
CVE Names:         CVE-2023-4863  

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2023/09/msg00017.html

Comment: CVSS (Max):  8.8 CVE-2023-4863 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
         CVSS Source: NIST
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
         
         The following are listed in the CISA Known Exploited Vulnerabilities (KEV) Catalog:
         CISA KEV CVE(s): CVE-2023-4863
         CISA KEV URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

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Debian LTS Advisory DLA-3570-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/               Emilio Pozuelo Monfort
September 18, 2023                            https://wiki.debian.org/LTS
- - -------------------------------------------------------------------------

Package        : libwebp
Version        : 0.6.1-2+deb10u3
CVE ID         : CVE-2023-4863

A buffer overflow in parsing WebP images may result in the execution of
arbitrary code.

For Debian 10 buster, this problem has been fixed in version
0.6.1-2+deb10u3.

We recommend that you upgrade your libwebp packages.

For the detailed security status of libwebp please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libwebp

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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