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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2023.1377
                           xfig security update
                               6 March 2023

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

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

Product:           xfig
Publisher:         Debian
Operating System:  Debian GNU/Linux
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-40241  

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2023/03/msg00005.html

Comment: CVSS (Max):  9.8 CVE-2021-40241 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
         CVSS Source: NVD
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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Debian LTS Advisory DLA-3353-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                         Anton Gladky
March 05, 2023                                https://wiki.debian.org/LTS
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Package        : xfig
Version        : 1:3.2.7a-3+deb10u1
CVE ID         : CVE-2021-40241
Debian Bug     : 992395

A security issue has been discovered in xfig, a diagramming tool for the
interactive generation of figures under X11.

CVE-2021-40241:
    A potential buffer overflow exists in the file src/w_help.c at line 55.
    Specifically, the length of the string returned by getenv("LANG") may become
    very long and cause a buffer overflow while executing the sprintf() function.
    This vulnerability could potentially allow an attacker to execute arbitrary
    code or cause a denial-of-service condition.

For Debian 10 buster, this problem has been fixed in version
1:3.2.7a-3+deb10u1.

We recommend that you upgrade your xfig packages.

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

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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