I've worked during February 2026 on the below listed packages, for
Freexian LTS/ELTS [1]

zabbix
======

Helped rouca to determine why the candidate for zabbix/bookworm, 
as FTBFSed due to go issues: zabbix expectes go > 1.21, however
bookworm is at 1.19, so some of the new features used has to be
backported not to use the new features.

modsecurity-crs
===============

(Continued from January)
Prepared and fixed, wiith coordination and help from the maintainer
CVE-2026-21876 and CVE-2023-38199 for bullseye and bookworm. This has
been released as DLA-4488-1 and ELA-1651-1

busybox
=======

(Continued from January)
Prepared the update for bookworm, coordinating with maintainer,
security team. The update package has been uploaded via the
oldstable-proposed-updates mechanism. (#1129503) and is awaiting
the approval of the release team.

libpng
=====

There was a security issue with libpng, 
CVE-2026-25646 - Heap buffer overflow.
I've prepared uploads for trixie and bookworm (DSA-6138-1),
bullseye (DLA-4481-1), buster and stretch (ELA-1647-1)

As for buster and stretch two additional CVEs haven't been fixed yet,
I've included them into the update as well:
  - CVE-2026-22801 - Heap buffer over-read
  - CVE-2026-22695 - Heap buffer over-read


[1]  https://www.freexian.com/lts/ 
[2]  https://www.freexian.com/lts/debian/#sponsors

Cheers, 
-- 
tobi

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