CVE-2018-1000115
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 88.00% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 99.7% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-03-05 14:00Z8 YR AGO
- Last updated
- 2024-08-05 12:33Z2 YR AGO
- Reserved
- 2018-03-05
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-400Uncontrolled Resource ConsumptionClass
- Data version
- 5.1
- Document digest
- 186ffe6e5b2b8de3ea8cc2fef294aa5ef5d8a25c173851a58586c119fa8401a6
05 Affected products
06 References
- access.redhat.comRHBA-2018:2140https://access.redhat.com/errata/RHBA-2018:2140
- access.redhat.comRHSA-2018:1593https://access.redhat.com/errata/RHSA-2018:1593
- usn.ubuntu.comUSN-3588-1https://usn.ubuntu.com/3588-1/
- github.comhttps://github.com/memcached/memcached/wiki/ReleaseNotes156
- www.exploit-db.com44264https://www.exploit-db.com/exploits/44264/
- twitter.comhttps://twitter.com/dormando/status/968579781729009664
- www.exploit-db.com44265https://www.exploit-db.com/exploits/44265/
- github.comhttps://github.com/memcached/memcached/commit/dbb7a8af90054bf4ef51f5814ef7ceb17d83d974
- access.redhat.comRHSA-2018:2857https://access.redhat.com/errata/RHSA-2018:2857
- access.redhat.comRHSA-2018:1627https://access.redhat.com/errata/RHSA-2018:1627
- access.redhat.comRHSA-2018:2331https://access.redhat.com/errata/RHSA-2018:2331
- www.debian.orgDSA-4218https://www.debian.org/security/2018/dsa-4218
- blogs.akamai.comhttps://blogs.akamai.com/2018/03/memcached-fueled-13-tbps-attacks.html
- github.comhttps://github.com/memcached/memcached/issues/348
- www.synology.comhttps://www.synology.com/support/security/Synology_SA_18_07
07 Fixed in
Arch Linux
- memcached Fixed in 1.5.6-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- memcached Fixed in 1.5.6-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- memcached Fixed in 1.5.6-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- memcached Fixed in 1.5.6-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- memcached Fixed in 1.4.14-0ubuntu9.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- memcached Fixed in 1.4.25-2ubuntu1.3
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.