CVE search · CVE-2026-59849
CVE-2026-59849
high 7.5
A flaw was found in libssh. Logic errors in automatic certificate-based public key authentication can cause libssh clients to loop indefinitely when configured certificates are missing or repeatedly rejected by a server, leading to denial of service.
Details
- Status
- Analyzed
- Published
- Last changed
- Source
- secalert@redhat.com
- Weakness
- CWE-835
Severity
| Version | Score | Vector | Source |
|---|---|---|---|
| CVSS 3.1 | low 3.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L |
secalert@redhat.comSecondary |
| CVSS 3.1 | high 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
nvd@nist.govPrimary |
Affected products
Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.
- libssh · libssh
- redhat · hardened_images
- redhat · enterprise_linux
- redhat · enterprise_linux_for_els
- redhat · enterprise_linux_for_eus
- redhat · enterprise_linux_for_ibm_z_systems
- redhat · enterprise_linux_for_ibm_z_systems_els
- redhat · enterprise_linux_for_ibm_z_systems_eus
- redhat · enterprise_linux_for_power_little_endian
- redhat · enterprise_linux_for_power_little_endian_els
- redhat · enterprise_linux_for_power_little_endian_eus
References
- https://access.redhat.com/errata/RHSA-2026:42922Issue Tracking
- https://access.redhat.com/errata/RHSA-2026:55855Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2026-59849Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2498182Issue TrackingVendor Advisory