CVE-2016-8705
CVE-2016-8705 is a critical-severity vulnerability in Memcached with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 20% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-190.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 20% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-190
- Affected product: Memcached
- Published:
- Last modified:
Description
Multiple integer overflows in process_bin_update function in Memcached, which is responsible for processing multiple commands of Memcached binary protocol, can be abused to cause heap overflow and lead to remote code execution.
Frequently asked questions
- What is CVE-2016-8705?
- Multiple integer overflows in process_bin_update function in Memcached, which is responsible for processing multiple commands of Memcached binary protocol, can be abused to cause heap overflow and lead to remote code execution.
- How severe is CVE-2016-8705?
- CVE-2016-8705 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2016-8705 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-8705?
- CVE-2016-8705 affects Memcached. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-8705?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2016-8705 published?
- CVE-2016-8705 was published on 2017-01-06 and last updated on 2026-06-17.
References
- http://rhn.redhat.com/errata/RHSA-2016-2819.html
- http://rhn.redhat.com/errata/RHSA-2016-2820.html
- http://www.debian.org/security/2016/dsa-3704
- http://www.securityfocus.com/bid/94083
- http://www.securitytracker.com/id/1037333
- http://www.talosintelligence.com/reports/TALOS-2016-0220/
- https://access.redhat.com/errata/RHSA-2017:0059
- https://security.gentoo.org/glsa/201701-12
Affected products (1)
- cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*
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