CVE-2023-46853 — Off-by-one Error in Memcached

CWE-193 — Off-by-one Error9 documents8 sources
Severity
9.8CRITICALNVD
OSV7.5
EPSS
0.2%
top 64.15%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
9
MemcachedDebian MemcachedMsrc Azl3 Memcached 1.6.21-1 ON Azure Linux 3.0+6 more
Timeline
PublishedOct 27
Latest updateNov 13

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages11 packages

▶debiandebian/memcached< memcached 1.6.22-1 (forky)
▶NVDmemcached/memcached< 1.6.22
▶Debianmemcached/memcached< 1.6.22-1+1
▶Ubuntumemcached/memcached< 1.6.14-1ubuntu0.1

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
OSV
memcached vulnerabilities↗2023-11-13
▶
OSV
CVE-2023-46853: In Memcached before 1↗2023-10-27
▶
GHSA
GHSA-jr2m-hrp3-3wj4: In Memcached before 1↗2023-10-27
▶

📋Vendor Advisories

4
Ubuntu
Memcached vulnerabilities↗2023-11-13
▶
Red Hat
memcached: off-by-one error when processing proxy requests in proxy mode↗2023-10-27
▶
Microsoft
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.↗2023-10-10
▶
Debian
CVE-2023-46853: memcached - In Memcached before 1.6.22, an off-by-one error exists when processing proxy req...↗2023
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-24809 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶