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Debian LTS Advisory DLA-3811-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                       Guilhem Moulin
May 08, 2024                                  https://wiki.debian.org/LTS
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Package        : python-idna
Version        : 2.6-1+deb10u1
CVE ID         : CVE-2024-3651
Debian Bug     : 1069127

Guido Vranken discovered an issue in python3-idna, a library to support
the Internationalized Domain Names in Applications (IDNA) protocol.  A
specially crafted argument to the idna.encode() function could consume
significant resources, which may lead to Denial of Service.

For Debian 10 buster, this problem has been fixed in version
2.6-1+deb10u1.

We recommend that you upgrade your python-idna packages.

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

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