CVE-2023-46853

⛔ critical

In Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \n is used instead of \r\n.

CVSS Score

9.8

Critical

EPSS Score

0.2

Exploit Probability

Published Date

2023-10-27

First Seen: 2026-01-05

This CVE is Very High Risk - more severe than 90.5% of all 330,193 vulnerabilities in our database.

#31,351

Top 10% most severe

Severity Percentile

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

YES

Can be exploited automatically

💥 Technical Impact

Total

Complete system compromise possible

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:H/I:H/A:H

CWE IDs (Weakness Types)

CWE-193

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
memcached	memcached	Affected	< 1.6.22

Patch

Release Notes

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-2023-46852	⚠️ high	7.5	0.1	In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many ...	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