CVE-2026-0967

תיאור (מקור, אנגלית)

A flaw was found in libssh. A remote attacker, by controlling client configuration files or known_hosts files, could craft specific hostnames that when processed by the `match_pattern()` function can lead to inefficient regular expression backtracking. This can cause timeouts and resource exhaustion, resulting in a Denial of Service (DoS) for the client.

מדדים

CVSS 3.1

5.5 (MEDIUM) מקור הציון: NVD CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-23/9/2026

CWE

CWE-1333

מוצרים מושפעים

libssh: libssh; redhat: enterprise linux

קישורים

• https://access.redhat.com/errata/RHSA-2026:18160
• https://access.redhat.com/errata/RHSA-2026:18683
• https://access.redhat.com/security/cve/CVE-2026-0967 Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2436981 Third Party Advisory
• https://www.libssh.org/2026/02/10/libssh-0-12-0-and-0-11-4-security-releases/ Release Notes