Vulnerability · Published Oct 27, 2023 · Assigned by mitre

CVE-2023-46853

Critical 9.8

In plain English

A critical-severity security flaw in the memcached package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)0.9%top 40.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12memcached1.6.18-1+deb12u1DEBIAN-CVE-2023-46853
Debian:13memcached1.6.22-1DEBIAN-CVE-2023-46853
Debian:14memcached1.6.22-1DEBIAN-CVE-2023-46853
Ubuntu:22.04:LTSmemcached1.6.14-1ubuntu0.1USN-6476-1
Ubuntu:22.04:LTSmemcached1.6.14-1ubuntu0.1UBUNTU-CVE-2023-46853

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References