A curl security update has been released for Debian GNU/Linux 10 LTS to address a HTTP multi-header compression denial of service.

DLA 3341-1: curl security update

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Debian LTS Advisory DLA-3341-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Adrian Bunk
February 24, 2023   https://wiki.debian.org/LTS
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Package : curl
Version : 7.64.0-4+deb10u5
CVE ID : CVE-2023-23916
Debian Bug : 1031371

HTTP multi-header compression denial of service has been fixed in curl,
a command line tool and library for transferring data with URLs.

For Debian 10 buster, this problem has been fixed in version
7.64.0-4+deb10u5.

We recommend that you upgrade your curl packages.

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

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