TI-2023-25311 Aliases CVE-2023-46852 GHSA-47qj-rqv2-98f2

In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in…

MEDIUM 41CWE-120Published 2023-10-27 · Updated 2024-09-09

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substring.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00907 60th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:memcached:memcached::::::::	before 1.6.22	Vulnerable	Memcached

cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:* Versions before 1.6.22 Vulnerable ·Memcached

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 4 products

Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9

Timeline

2026-10-02 Threatist record created from CVE-2023-46852
2026-10-03 Alias added: GHSA-47qj-rqv2-98f2

References

Patch 1

https://github.com/memcached/memcached/commit/76a6c363c18cfe7b6a1524ae64202ac9db330767

Other 1

https://github.com/memcached/memcached/compare/1.6.21...1.6.22

TI-2018-15768 Memcached version 1.5.5 contains an Insufficient Control of Network Message Volume… CVSS 3.0HIGH 7.5
TI-2020-14353 Memcached 1.6.0 before 1.6.3 allows remote attackers to cause a denial of service (daemon… CVSS 3.1HIGH 7.5
TI-2016-07164 Integer overflow in Memcached CVSS 3.0HIGH 8.1
TI-2016-07162 Integer overflow in Memcached CVSS 3.0CRITICAL 9.8
TI-2016-07163 Integer overflow in Memcached CVSS 3.0CRITICAL 9.8
TI-2021-15418 Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a… CVSS 3.1MEDIUM 5.5

See all 20 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences