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CVE-2023-46852

19
FAUCET Score

CVE-2023-46852 is a buffer overflow vulnerability affecting Memcached versions prior to 1.6.22, specifically when handling multiget requests in proxy mode with excessive spaces after the "get" substring. This vulnerability carries a CVSS score of 7.5 (High), indicating it can be exploited remotely with low complexity to cause a denial of service. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.6.22CPE matchmatch criteria
cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.78%
Probability of exploitation in next 30 days
EPSS Percentile
52.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0078 is in the 28th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: cbl2 memcached 1.6.22-1 on CBL Mariner 2.0Fixed in: 1.6.22-1
microsoftpatch availablevia msrc
Product: azl3 memcached 1.6.27-1 on Azure Linux 3.0Fixed in: 1.6.27-1
microsoftpatch availablevia msrc
Product: azl3 memcached 1.6.21-1 on Azure Linux 3.0Fixed in: 1.6.27-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 1.6.22-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 1.6.22-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 1.6.27-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 1.6.27-1

Vendor Advisories (3)

microsoft2024-Jun/CVE-2023-46852

CVE-2023-46852

Jun 11, 2024
redhatCVE-2023-46852Important

memcached: buffer overflow when processing multiget requests in proxy mode

Oct 27, 2023
microsoft2023-Oct/CVE-2023-46852Important

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.

Oct 10, 2023

References

github.com / memcached/memcached/commit/76a6c363c18cfe7b6a1524ae64202ac9db330767
Patch
github.com / memcached/memcached/compare/1.6.21...1.6.22
Release Notes