CVE-2019-11596
In memcached before 1.5.14, a NULL pointer dereference was found in the "lru mode" and "lru temp_ttl" commands. This causes a denial of service when parsing crafted lru command messages in
02 Description
In memcached before 1.5.14, a NULL pointer dereference was found in the "lru mode" and "lru temp_ttl" commands. This causes a denial of service when parsing crafted lru command messages in
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
- 2.95% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 87.1% 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
- 2019-04-29 14:46Z7 YR AGO
- Last updated
- 2024-08-04 22:55Z2 YR AGO
- Reserved
- 2019-04-29
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- 7d733b01bd3d7f699aa86bca48bd50ad340527f68bac7466a988b72cd6b43d8b
05 Affected products
06 References
- github.comhttps://github.com/memcached/memcached/issues/474
- github.comhttps://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2c402c02
- github.comhttps://github.com/memcached/memcached/compare/ee1cfe3...50bdc9f
- usn.ubuntu.comUSN-3963-1https://usn.ubuntu.com/3963-1/
- lists.fedoraproject.orgFEDORA-2019-2bd8e73268https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UUE3QBMP5UWTXMPKJREUICH6DIK6SOBX/
- lists.fedoraproject.orgFEDORA-2019-df4c0ba2dbhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y2CCWRM4LHB253KG5SPOKRVDCXQX5VZR/
- lists.opensuse.orgopenSUSE-SU-2020:0721http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html
07 Fixed in
Debian 12
- memcached Fixed in 1.5.6-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- memcached Fixed in 1.5.6-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- memcached Fixed in 1.5.6-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- memcached Fixed in 1.5.6-0ubuntu1.1
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.