ALPINE-CVE-2019-3857

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2019-3857
Published: 25 Mar 2019, 19:29
Last modified:03 Dec 2025, 22:46

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
8.8 HIGH
3.1 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

25 Mar 2019, 19:29
Published
Vulnerability first disclosed
03 Dec 2025, 22:46
Last Modified
Vulnerability information updated

Description

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.

CVSS Metrics

  • v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Systems

  • alpine•libssh2

    < 1.8.1-r0 | < 1.8.1-r0 | < 1.8.1-r0 | < 1.8.1-r0 | < 1.8.1-r0 | < 1.8.1-r0 | < 1.8.1-r0 | < 1.8.1-r0 | < 1.8.1-r0 | < 1.8.1-r0 | < 1.8.1-r0 | < 1.8.1-r0 | < 1.8.1-r0 | < 1.8.1-r0 | < 1.8.1-r0

References (1)