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Debian LTS and ELTS -- May 2025



Hi,

here are some remarks about my work on LTS and ELTS in May 2025.

- python-tornado (LTS/ELTS)

DLA-4188-1 has been released to fix CVE-2025-47287. A PU for bookworm
has been prepared as well (#1106819). I also backported the fix to
Buster. However, I have not yet released it, because backporting the
fix requires to add a new dependency on the package. I would like to
discuss this first before going forward with the upload. 

- python-flask-cors (LTS)

DLA-4197-1 has been released fixing CVE-2024-1681, CVE-2024-6839, CVE-
2024-6844, and CVE-2024-6866. I also examined CVE-2024-6221, but found
that the vulnerable code had been introduced later. Thus, I marked the
issue accordingly in the tracker. I also found that the fix for CVE-
2024-6839 was not complete and had not been tested by upstream,
actually. Thus, I added my findings to the tracker, reopened #1100988,
and sent a message to the maintainer. I also prepared a PU for
Bookworm. But due to CVE-2024-6839 not being fully fixed in Sid, I have
not yet opened the PU request.

- u-boot (LTS)

I've prepared an update to fix CVE-2021-27138 and CVE-2021-27097. The
patchset is actually larger than expected, and a test is failing after
applying all patches. No DLA has been released yet. I'm currently
looking into the error shown.

- libreoffice (LTS)

After testing the prepared upload, DLA-4205-1 has been released that
fixes CVE-2025-1080 and CVE-2025-2866.

- mysql-connector-python (ELTS)

I continued working on the remaining CVEs. But process was very slow.

- misc

I looked into multiple issues and added my findings to the security
tracker accordingly.


Thanks to Freexian and Freexian's sponsors for making these projects  
possible: https://www.freexian.com/lts/debian/#sponsors).

Regards, Daniel

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