Use After Free Affecting libssh-debuginfo package, versions <0:0.12.0-3.el10_2


Severity

Recommended
0.0
high
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.35% (26th percentile)

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  • Snyk IDSNYK-ROCKY10-LIBSSHDEBUGINFO-18956288
  • published19 Aug 2026
  • disclosed21 Jul 2026

Introduced: 21 Jul 2026

CVE-2026-59850  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:10 libssh-debuginfo to version 0:0.12.0-3.el10_2 or higher.
This issue was patched in RLSA-2026:55855.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libssh-debuginfo package and not the libssh-debuginfo package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:10 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1