RHSA-2026:30132MediumCVSS 6.5
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
🔗 CVE IDs covered (1)
📋 Description
CVE-2025-15661 — libssh2: libssh2: Information disclosure and denial of service via crafted SFTP response
🎯 Affected products5
- Red Hat Hardened Images
- libssh2-main@aarch64 as a component of Red Hat Hardened Images
- libssh2-main@noarch as a component of Red Hat Hardened Images
- libssh2-main@src as a component of Red Hat Hardened Images
- libssh2-main@x86_64 as a component of Red Hat Hardened Images
✅ Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ Workaround: Implement strict network egress filtering to allow outbound SSH/SFTP traffic only to known, trusted endpoints. Additionally, enforce strict SSH host key checking in your libssh2 client applications to reject unknown servers and prevent Man-in-the-Middle (MitM) attacks.
🔗 References (5)
- selfhttps://access.redhat.com/errata/RHSA-2026:30132
- externalhttps://images.redhat.com/
- externalhttps://access.redhat.com/security/cve/CVE-2025-15661
- externalhttps://access.redhat.com/security/updates/classification/
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_30132.json