CVE-2011-4971
MEDIUM · CVSS 5.0EPSS 22.3%EU EUVD
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.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-189
- EPSS score
- 22.3% (98th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-4876)
- Published
- December 12, 2013
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-4876 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- memcached / memcached
- memcached / memcached
- memcached / memcached
- memcached / memcached
- memcached / memcached
- memcached / memcached
- memcached / memcached
- memcached / memcached
References
- http://insecurety.net/?p=872(Exploit)
- 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(Exploit, Patch)
- https://puppet.com/security/cve/cve-2011-4971
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain