CVE-2023-46852

memcached: buffer overflow when processing multiget requests in proxy mode

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Severity

Important

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · October 27, 2023

Updated · November 22, 2025

Description

A buffer overflow flaw was found in Memcached when processing multiget requests in proxy mode. This issue occurs when there are many spaces after the "get" substring.

Statement

Proxy mode in memcached was introduced in 1.6.13, so Red Hat Enterprise Linux is not affected by this CVE.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer