Incorrect Check of Function Return Value Affecting libssh-debuginfo package, versions <0:0.10.6-1.amzn2023.0.9


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.33% (25th percentile)

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  • Snyk IDSNYK-AMZN2023-LIBSSHDEBUGINFO-20245236
  • published29 Sept 2026
  • disclosed21 Jul 2026

Introduced: 21 Jul 2026

CVE-2026-59847  (opens in a new tab)
CWE-253  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 libssh-debuginfo to version 0:0.10.6-1.amzn2023.0.9 or higher.
This issue was patched in ALAS2023-2026-3096.

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 Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

A flaw was found in libssh. Incorrect AES-GCM finalization checks in builds using the OpenSSL backend can effectively remove integrity protection, allowing an in-path attacker to modify plaintext on the wire without detection.

CVSS Base Scores

version 3.1