CVEvulnerability
CVE-2026-59847
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-07-21
- Last modified
- 2026-09-04
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-1310, CWE-253
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 configurations
• libssh libssh (>= 0.9.0 < 0.11.5)
• libssh libssh 0.12.0
• redhat hardened images
• redhat enterprise linux 8.0
• redhat enterprise linux 9.0
• redhat enterprise linux 10.0
Related
References
- https://access.redhat.com/errata/RHSA-2026:42922 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:55855 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:62217 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:62218 Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2026-59847 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2498180 Issue Tracking, Third Party Advisory