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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 22.3%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 22.32% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- memcached/memcached
- Source
- secalert@redhat.com
EPSS 22.3% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://insecurety.net/?p=872Exploit
- 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=192Exploit, Patch
- https://puppet.com/security/cve/cve-2011-4971
- http://insecurety.net/?p=872Exploit
- 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=192Exploit, Patch
- https://puppet.com/security/cve/cve-2011-4971
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.