What is CVE-2023-46852?

CVE-2023-46852 is a high-severity vulnerability in Memcached, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2023-10-27.

How severe is CVE-2023-46852?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-46852 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Memcached

CVE-2023-46852

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.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (52.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Memcached
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

DiRaltvein/memory-corruption-examples

References

cve@mitre.org (Patch)
cve@mitre.org (Release Notes)

Frequently asked questions

What is CVE-2023-46852?: CVE-2023-46852 is a high-severity vulnerability in Memcached, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2023-10-27.
How severe is CVE-2023-46852?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-46852 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.