PT-2023-7068 · Memcached+5 · Memcached+5

Dormando · CVE-2023-46853 · Published 2023-10-27 · Updated 2026-03-29

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Memcached versions prior to 1.6.22

Description The issue is related to an off-by-one error when processing proxy requests in proxy mode, specifically if is used instead of r . This error can be exploited by a remote attacker to execute arbitrary code using a specially crafted HTTP request.

Recommendations For versions prior to 1.6.22, update to version 1.6.22 or later to resolve the issue. As a temporary workaround, consider restricting the use of proxy mode or ensuring that only r is used instead of for line endings in proxy requests.

Exploit

Fix

DoS

Weakness Enumeration

CWE-193

Related Identifiers

ALT-PU-2023-7120

ALT-PU-2023-7210

AZL-31732

AZL-34977

BDU:2023-08093

BIT-MEMCACHED-2023-46853

CVE-2023-46853

OPENSUSE-SU-2024:13427-1

USN-6476-1

Affected Products

Alt Linux

Debian

Linuxmint

Memcached

Red Os

Ubuntu

References · 32

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/46xxx/CVE-2023-46853.json · Exploit
• https://github.com/memcached/memcached/commit/6987918e9a3094ec4fc8976f01f769f624d790fa · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-46853 · Security Note
• https://ubuntu.com/security/CVE-2023-46853 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6476-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6476-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:13427-1 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-memcached-2023-46853 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-46853 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-08093 · Security Note
• https://osv.dev/vulnerability/AZL-31732 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-46853 · Security Note
• https://safe-surf.ru/upload/VULN-new/VULN.2023-11-17.1.pdf · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/701082 · Security Note
• https://ubuntu.com/security/CVE-2023-46852 · Vendor Advisory