CVE-2011-4971

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 22.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-12-12 · updated 2026-06-16
Weakness: CWE-189

Description

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.

Affected products

Memcached: through 1.4.5; 1.2.7, 1.2.8, 1.4.0, 1.4.1, 1.4.2, 1.4.3 (+1)

References

http://insecurety.net/?p=872
http://secunia.com/advisories/56183
http://www.debian.org/security/2014/dsa-2832
http://www.mandriva.com/security/advisories?name=MDVSA-2013:280
http://www.securityfocus.com/bid/59567
http://www.ubuntu.com/usn/USN-2080-1
https://code.google.com/p/memcached/issues/detail?id=192
https://puppet.com/security/cve/cve-2011-4971
http://insecurety.net/?p=872
http://secunia.com/advisories/56183
http://www.debian.org/security/2014/dsa-2832
http://www.mandriva.com/security/advisories?name=MDVSA-2013:280

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