DEBIAN-CVE-2019-3859

Advisory lineage Upstream: 1 Downstream: 3
Upstream
CVE-2019-3859
Published: 21 Mar 2019, 16:01
Last modified:28 Apr 2026, 20:20

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.1 CRITICAL
3.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

21 Mar 2019, 16:01
Published
Vulnerability first disclosed
28 Apr 2026, 20:20
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.0•CRITICAL•Score: 9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected Systems

  • debian•libssh2

    < 1.8.0-2.1 | < 1.8.0-2.1 | < 1.8.0-2.1 | < 1.8.0-2.1

References (1)