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JLSEC-2026-1088 libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer...

🗓️ 31 Jul 2026 18:09:08Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 4 Views

Libssh2 pre-authentication heap overflow enables heap corruption via crafted Encrypt then MAC packet; fixed in commit 42e33d8.

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31 Jul 2026 18:20Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
CVSS 47.7
EPSS0.00318
4