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.

Published: 2023-10-27 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-46852 is rated Moderate Risk (41.4/100): CVSS High severity, with low exploitation likelihood (EPSS 0.13%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-46852

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 0.34% 0.13% -0.21%
2 2025-11-18 0.07% 0.34% +0.27%
3 2025-04-15 — 0.07% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-46852

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2023-46852

OS Trackers for CVE-2023-46852

vendor priority summary link
alpine high CVE-2023-46852: 1 source package rows (memcached); 10 state rows across 3 repos (3.17-main, 3.18-main, edge-main); fixed 0, open 10. https://security.alpinelinux.org/vuln/CVE-2023-46852
debian not yet assigned CVE-2023-46852 not yet assigned priority: Debian including 1 source packages (memcached), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 3, open 2. https://security-tracker.debian.org/tracker/CVE-2023-46852
redhat high — https://access.redhat.com/security/cve/CVE-2023-46852
suse high CVE-2023-46852 severity important: SUSE including 6 source package names (memcached, memcached-1.6.22-1.1, memcached-1.6.38-160000.2.2, memcached-devel, memcached-devel-1.6.22-1.1, memcached-devel-1.6.38-160000.2.2), 60 product×package rows across 38 product lines (HPE Helion OpenStack 8, SUSE CaaS Platform 4.0, … (38 product lines)): Known Not Affected 56, Fixed 4. https://www.suse.com/security/cve/CVE-2023-46852/
ubuntu medium CVE-2023-46852 medium priority: Ubuntu including 1 source packages (memcached), 9 status rows across 9 suites (bionic, focal, jammy, lunar, mantic, noble, trusty, upstream, xenial): not-affected 4, released 4, ignored 1. https://ubuntu.com/security/CVE-2023-46852

Affected software / configurations for CVE-2023-46852

Vendor Product Version Raw CPE
memcached memcached < 1.6.22 cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*

References for CVE-2023-46852

cvelogic Threat Intelligence