Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2011-4971

Multiple integer signedness errors in the (1) process_bin_sasl_auth, (2) process_bin_complete_sasl_auth, (3) process_bin_update, and (4) process_bin_append_prepend functions in Memcached 1.4.5 and earlier allow remote attackers to cause a denial of service (crash) via a large body length value in a packet.

Security Impact Summary

CVE-2011-4971 is a security vulnerability that . Impacting 1 product from memcached organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2013, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2013-12-12T18:55:03.897

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-189

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	memcached	memcached	≤ 1.4.5	Yes
Application	memcached	memcached	1.2.7	Yes
Application	memcached	memcached	1.2.8	Yes
Application	memcached	memcached	1.4.0	Yes
Application	memcached	memcached	1.4.1	Yes
Application	memcached	memcached	1.4.2	Yes
Application	memcached	memcached	1.4.3	Yes
Application	memcached	memcached	1.4.4	Yes

References

http://insecurety.net/?p=872 Exploit ([email protected])
http://secunia.com/advisories/56183 ([email protected])
http://www.debian.org/security/2014/dsa-2832 ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2013:280 ([email protected])
http://www.securityfocus.com/bid/59567 ([email protected])
http://www.ubuntu.com/usn/USN-2080-1 ([email protected])
https://code.google.com/p/memcached/issues/detail?id=192 Exploit, Patch ([email protected])
https://puppet.com/security/cve/cve-2011-4971 ([email protected])
http://insecurety.net/?p=872 Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/56183 (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2014/dsa-2832 (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2013:280 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/59567 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2080-1 (af854a3a-2127-422b-91ae-364da2661108)
https://code.google.com/p/memcached/issues/detail?id=192 Exploit, Patch (af854a3a-2127-422b-91ae-364da2661108)
https://puppet.com/security/cve/cve-2011-4971 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For memcached's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.