THREATOPS
THREAT OPS › Threat News › [NVD] CVE-2025-8277 (LOW 3.1) — A flaw was found in libssh's handling of key exchange (KEX) processes when a client repeatedly sends incorrect KEX guesses. The library fails to free memory during these rekey operations, which can gradually exhaust system memory. This issue can lead to crashes on the client side

[NVD] CVE-2025-8277 (LOW 3.1) — A flaw was found in libssh's handling of key exchange (KEX) processes when a client repeatedly sends incorrect KEX guesses. The library fails to free memory during these rekey operations, which can gradually exhaust system memory. This issue can lead to crashes on the client side

lownvdPublished 2025-09-09

CVE-2025-8277 CVSS: 3.1 LOW Published: 2025-09-09T12:15:30.677

A flaw was found in libssh's handling of key exchange (KEX) processes when a client repeatedly sends incorrect KEX guesses. The library fails to free memory during these rekey operations, which can gradually exhaust system memory. This issue can lead to crashes on the client side, particularly when using libgcrypt, which impacts appli

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-8277