SUSE-SU-2026:3074-1

Details

Description of the patch:

This update for libssh2_org fixes the following issue

Security changes:

CVE-2026-55199: pre-Authentication DoS via SSH_MSG_EXT_INFO Handler (bsc#1268530).

Other changes:

rebuild libssh2_org against openssl 1.1.1, enabling ed25519 support. (bsc#1227490)

Affected Packages

libssh2-1

SUSE Linux Enterprise High Performance Computing 15 SP4SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS

Fixed in:

1.11.0-150200.9.5.1

libssh2-devel

SUSE Linux Enterprise High Performance Computing 15 SP4SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS

Fixed in:

1.11.0-150200.9.5.1

libssh2-1-32bit

SUSE Linux Enterprise High Performance Computing 15 SP5SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Server 15 SP4SUSE Linux Enterprise Server 15 SP4-LTSS

Fixed in:

1.11.0-150200.9.5.1

References

ADVISORY

https://bugzilla.suse.com/1227490

ADVISORY

https://bugzilla.suse.com/1268530

ADVISORY

https://lists.suse.com/pipermail/sle-updates/2026-July/048402.html

ADVISORY

https://www.suse.com/security/cve/CVE-2026-55199/

WEB

https://www.suse.com/support/security/rating/

ADVISORY

https://www.suse.com/support/update/announcement/2026/suse-su-20263074-1/