CVE-2023-46852

⚠️ high

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.

CVSS Score

7.5

High

EPSS Score

0.1

Exploit Probability

Published Date

2023-10-27

First Seen: 2026-01-05

📊 Relative Risk Intelligence

This CVE is Moderate Risk - more severe than 68.9% of all 330,193 vulnerabilities in our database.

#102,656

Above average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: Sep 9, 2024

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

YES

Can be exploited automatically

💥 Technical Impact

Partial

Limited system impact

SSVC data provided by CISA

Last Modified 2024-11-21

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-120

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
memcached	memcached	Affected	< 1.6.22

🔗 References 2

https://github.com/memcached/memcached/commit/76a6c3...

Patch

https://github.com/memcached/memcached/compare/1.6.2...

Release Notes

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-47783	⚠️ high	8.1	0.1	In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a ...	2026-05-20
CVE-2026-47784	⚠️ high	8.1	0.1	In memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because me...	2026-05-20
CVE-2023-46853	⛔ critical	9.8	0.2	In Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \n is used inste...	2023-10-27
CVE-2020-22570	⚠️ high	7.5	2.1	Memcached 1.6.0 before 1.6.3 allows remote attackers to cause a denial of service (daemon crash) via a crafted meta comm...	2023-08-22
CVE-2022-48571	⚠️ high	7.5	0.1	memcached 1.6.7 allows a Denial of Service via multi-packet uploads in UDP.	2023-08-22
CVE-2021-37519	🔶 medium	5.5	0.0	Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted au...	2023-02-03

These CVEs affect the same products