Debian Security Advisory

DLA-2734-1 curl -- LTS security update

Date Reported:
13 Aug 2021
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2021-22898, CVE-2021-22924.
More information:

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:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: