Debian alert DLA-4449-1 (zvbi)

From:
             
 
Thorsten Alteholz <debian@alteholz.de>
To:
             
 
debian-lts-announce@lists.debian.org
Subject:
             
 
[SECURITY] [DLA 4449-1] zvbi security update
Date:
             
 
Sat, 24 Jan 2026 18:37:27 +0000
Message-ID:
             
 
<539aee50-dbc4-454-e6ce-cf9561fce810@alteholz.de>
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Debian LTS Advisory DLA-4449-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                    Thorsten Alteholz
January 24, 2026                              https://wiki.debian.org/LTS
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Package        : zvbi
Version        : 0.2.35-18+deb11u1
CVE ID         : CVE-2025-2173 CVE-2025-2174 CVE-2025-2175 CVE-2025-2176
                  CVE-2025-2177


Several issues have been found in zvbi, a Vertical Blanking Interval 
decoder.
CVE-2025-2173 is related to an uninitialized pointer in src/conv.c:: 
vbi_strndup_iconv_ucs2()
The other issues are related to integer overflows in several functions 
distributed all over the code.


For Debian 11 bullseye, these problems have been fixed in version
0.2.35-18+deb11u1.

We recommend that you upgrade your zvbi packages.

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

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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