PT-2026-61949 · Red Hat · Red Hat Enterprise Linux 10+3

CVE-2026-59850 · Published 2026-07-21 · Updated 2026-07-21

Mitre

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks can be invoked after the associated data has already been freed, leading to crashes or possible use-after-free conditions.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2026-59850

Affected Products

Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 9

Red Hat Hardened Images

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-59850 · Security Note
• https://access.redhat.com/security/cve/CVE-2026-59850 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=2498183 · Note