Home / mailings [SECURITY] [DSA 6102-2] python-urllib3 regression update
Posted on 22 January 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6102-2 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
January 22, 2026 https://www.debian.org/security/faq
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Package : python-urllib3
CVE ID : CVE-2026-21441
Debian Bug : 1126002
The update for python-urllib3 announced in DSA 6102-1 introduced a
regression in the patch meant to address CVE-2026-21441 for the
oldstable distribution (bookworm). Updated packages are now available to
correct this issue.
For the oldstable distribution (bookworm), this problem has been fixed
in version 1.26.12-1+deb12u3.
We recommend that you upgrade your python-urllib3 packages.
For the detailed security status of python-urllib3 please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/python-urllib3
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
