Debian Security Advisory
DSA-5409-1 libssh -- security update
- Date Reported:
- 23 May 2023
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 1035832.
In Mitre's CVE dictionary: CVE-2023-1667, CVE-2023-2283.
- More information:
Two security issues have been discovered in libssh, a tiny C SSH library:
Philip Turnbull discovered a NULL pointer dereference which could result in denial of service.
Kevin Backhouse discovered that pki_verify_data_signature() may fail to correctly validate authentication in memory pressure situations.
For the stable distribution (bullseye), these problems have been fixed in version 0.9.7-0+deb11u1.
We recommend that you upgrade your libssh packages.
For the detailed security status of libssh please refer to its security tracker page at: https://security-tracker.debian.org/tracker/libssh