CVE-2018-1000115

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

Description

Memcached version 1.5.5 contains an Insufficient Control of Network Message Volume (Network Amplification, CWE-406) vulnerability in the UDP support of the memcached server that can result in denial of service via network flood (traffic amplification of 1:50,000 has been reported by reliable sources). This attack appear to be exploitable via network connectivity to port 11211 UDP. This vulnerability appears to have been fixed in 1.5.6 due to the disabling of the UDP protocol by default.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-1000115

OS impact

OSVersionStatusFixed in
arch archfixed1.5.6-1
debian debianbookwormfixed1.5.6-1
debian debianbullseyefixed1.5.6-1
debian debianforkyfixed1.5.6-1
debian debiansidfixed1.5.6-1
debian debiantrixiefixed1.5.6-1

References

Verify integrity in audit chain (admin only). AS-IS.