DEBIAN-CVE-2017-5637

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2017-5637
Published: 10 Oct 2017, 01:30
Last modified:28 Apr 2026, 20:17

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

10 Oct 2017, 01:30
Published
Vulnerability first disclosed
28 Apr 2026, 20:17
Last Modified
Vulnerability information updated

Description

Two four letter word commands "wchp/wchc" are CPU intensive and could cause spike of CPU utilization on Apache ZooKeeper server if abused, which leads to the server unable to serve legitimate client requests. Apache ZooKeeper thru version 3.4.9 and 3.5.2 suffer from this issue, fixed in 3.4.10, 3.5.3, and later.

CVSS Metrics

  • v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • debian•zookeeper

    < 3.4.9-3 | < 3.4.9-3 | < 3.4.9-3 | < 3.4.9-3

References (1)