Description
A flaw was found in libssh. Incorrect AES-GCM finalization checks in builds using the OpenSSL backend can effectively remove integrity protection, allowing an in-path attacker to modify plaintext on the wire without detection.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Red Hat Red Hat Enterprise Linux 10
Default version status: affected
0:0.12.0-3.el10_2 to < *unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
0:0.9.6-17.el8_10 to < *unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
0:0.9.6-17.el8_10 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:0.10.4-19.el9_8 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:0.10.4-19.el9_8 to < *unaffected
Red Hat Red Hat Hardened Images
Default version status: affected
0.12.1-4.hum1 to < *unaffected
References
- https://access.redhat.com/errata/RHSA-2026:42922 ↗
- https://access.redhat.com/errata/RHSA-2026:55855 ↗
- https://access.redhat.com/errata/RHSA-2026:62217 ↗
- https://access.redhat.com/errata/RHSA-2026:62218 ↗
- https://access.redhat.com/security/cve/CVE-2026-59847 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2498180 ↗