01 Record

CVE-2018-1000127

memcached version prior to 1.4.37 contains an Integer Overflow vulnerability in items.c:item_free() that can result in data corruption and deadlocks due to items existing in hash table being reused

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

memcached version prior to 1.4.37 contains an Integer Overflow vulnerability in items.c:item_free() that can result in data corruption and deadlocks due to items existing in hash table being reused

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: 2.26% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 82.8% 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

2018-03-13 21:00Z8 YR AGO

Last updated

2024-08-05 12:33Z2 YR AGO

Reserved

2018-03-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-190Integer Overflow or WraparoundBase
CWE-667Improper LockingClass

Data version

5.1

Document digest

1278b1c737fd65e3a9b1a72a64b57177353a22408a70d5e7bbd4b436cd9881d6

05 Affected products

VendorProductVersionsPlatforms

canonicalubuntu_linuxNot specified—

debiandebian_linuxNot specified—

memcachedmemcachedNot specified—

redhatenterprise_linuxNot specified—

redhatmobile_application_platformNot specified—

redhatopenstackNot specified—

06 References

access.redhat.comRHSA-2018:2290https://access.redhat.com/errata/RHSA-2018:2290vendor-advisoryx_refsource_REDHAT
lists.debian.org[debian-lts-announce] 20180329 [SECURITY] [DLA 1329-1] memcached security updatehttps://lists.debian.org/debian-lts-announce/2018/03/msg00031.htmlmailing-listx_refsource_MLIST
github.comhttps://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00x_refsource_CONFIRM
usn.ubuntu.comUSN-3601-1https://usn.ubuntu.com/3601-1/vendor-advisoryx_refsource_UBUNTU
www.debian.orgDSA-4218https://www.debian.org/security/2018/dsa-4218vendor-advisoryx_refsource_DEBIAN
github.comhttps://github.com/memcached/memcached/wiki/ReleaseNotes1437x_refsource_CONFIRM
github.comhttps://github.com/memcached/memcached/issues/271x_refsource_CONFIRM

07 Fixed in

Debian 12

memcached
Fixed in 1.5.0-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

memcached
Fixed in 1.5.0-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

memcached
Fixed in 1.5.0-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 14.04 LTS

memcached
Fixed in 1.4.14-0ubuntu9.3

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 1.4.25-2ubuntu1.4

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.