VULNERABILITY INTELLIGENCE

CVE-2019-3859

CVSS score9.1 CRITICAL
EPSS probability6.28%
CISA KEVNot currently listed
Published2019-03-21
Last modified2026-10-14
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Description

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

Weakness classification

  • CWE-125: Out-of-bounds Read

Primary references