CVE-2026-59847: Incorrect Check of Function Return Value in Red Hat Red Hat Enterprise Linux 10
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.
CVE-2026-59847: Incorrect Check of Function Return Value in Red Hat Red Hat Enterprise Linux 10
Description
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 v3.1
Score 5.9medium
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-mq2j-7vq4-77m8
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-59847"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a6150e19c2644c7f8da17b4
Added to database: 07/22/2026, 23:23:13 UTC
Last enriched: 07/22/2026, 23:35:13 UTC
Last updated: 09/11/2026, 22:08:25 UTC
Views: 120
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.