CVE-2021-37519
memcached: Buffer Overflow vulnerability in authfile.c
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 3, 2023
Updated · November 21, 2025
Description
A flaw was found in memcached, where it is vulnerable to a denial of service caused by a heap-based buffer overflow in the authfile.c script. By persuading a victim to open a specially-crafted file, an attacker can cause a denial of service.
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
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 4.7CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer