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CVE-2026-90698: Out-of-Bounds Read in memcached

0
Medium
VulnerabilityCVE-2026-90698cvecve-2026-90698
Published: 09/14/2026 (09/14/2026, 08:30:12 UTC)
Source: CVE Database V5
Product: memcached

Description

A security flaw has been discovered in memcached 1.6.41/1.6.42/1.6.43. This vulnerability affects the function try_read_command_asciiauth of the file proto_text.c of the component mcmc Tokenizer. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.6.44 is able to resolve this issue. The patch is identified as af05c9302bba508b736c3da1d5670f63fe8b7db4. You should upgrade the affected component.

CVSS v4.0

Score 6.9medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Affected software

memcached

Affected versions
=1.6.41=1.6.42=1.6.43
CPE configurations
cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*

Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-09-13T05:23:49.531Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6aa7b48955bf5e2cf5cae8dd

Added to database: 09/14/2026, 08:47:05 UTC

Last updated: 09/14/2026, 08:47:05 UTC

Views: 1

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