During the month of December 2025 and on behalf of Freexian, I worked on the
following:

libgd2
------

Uploaded 2.3.0-2+deb11u1 and issued DLA-4411-1.
https://lists.debian.org/msgid-search/[email protected]

  * CVE-2021-40145: Double free in gdImageGd2Ptr().
  * CVE-2021-38115: Out-of-bounds read via crafted TGA file.
  * CVE-2021-40812: Out-of-bounds read via crafted BMP or WebP files.

roundcube
---------

Uploaded 1.4.15+dfsg.1-1+deb11u6 and issued DLA-4415-1.
https://lists.debian.org/msgid-search/[email protected]

  * CVE-2025-68460: Information disclosure vulnerability in the HTML
    style sanitizer.
  * CVE-2025-68461: Cross-Site-Scripting (XSS) vulnerability via SVG’s
    <animate> tag.

Uploaded 1.3.17+dfsg.1-1~deb10u9 (buster) and issued ELA-1598-1.
https://www.freexian.com/lts/extended/updates/ela-1598-1-roundcube/

python-urllib3
--------------

Uploaded 1.26.5-1~exp1+deb11u2 and issued DLA-4421-1.
https://lists.debian.org/msgid-search/[email protected]

  * CVE-2025-50181: Redirects were not disabled when retries are
    disabled on PoolManager instantiation.
  * CVE-2025-66418: Unbounded number of links in the decompression
    chain.

Uploaded 1.24.1-1+deb10u4 (buster) and 1.19.1-1+deb9u4 (stretch), and
issued ELA-1601-1.
https://www.freexian.com/lts/extended/updates/ela-1601-1-python-urllib3/

mediawiki
---------

Uploaded 1:1.35.13-1+deb11u6 and issued DLA-4428-1.
https://lists.debian.org/msgid-search/[email protected]

  * CVE-2025-67475: Square brackets in autocomment links were not always
    escaped.
  * CVE-2025-67478: Commas not separating values in RFC 2822 style
    headers were not escaped.
  * CVE-2025-67479: Underscore and wide underscore were not always
    sanitized in `data-*` attribute names.
  * CVE-2025-67480: ApiQueryRevisionsBase did not check for read
    permissions for the target page.
  * CVE-2025-67481: Insufficient `style` attribute sanitation in
    client-side messages (jqueryMsg).
  * CVE-2025-67482 (Scribunto extension): Segfault in unpack() with
    large integers.
  * CVE-2025-67484: XSS vulnerability via xslt option for users with the
    "editinterface" permission.

Thanks to the sponsors for financing the above, and to Freexian for
coordinating!
-- 
Guilhem.

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