A curl security update has been released for Debian GNU/Linux 9 LTS to address several vulnerabilities.

DLA 2734-1: curl security update

- -------------------------------------------------------------------------
Debian LTS Advisory DLA-2734-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Adrian Bunk
August 09, 2021   https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : curl
Version : 7.52.1-5+deb9u15
CVE ID : CVE-2021-22898 CVE-2021-22924
Debian Bug : 989228 991492

Several vulnerabilities were fixed in curl,
a client-side URL transfer library.

CVE-2021-22898

Information disclosure in connection to telnet servers.

CVE-2021-22924

Bad connection reuse due to flawed path name checks.

For Debian 9 stretch, these problems have been fixed in version
7.52.1-5+deb9u15.

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