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Fencer Vulns
critical 9.8

CVE-2016-8705 in the critical feed json

Multiple integer overflows in process_bin_update function in Memcached, which is responsible for processing multiple commands of Memcached…

published 2017-01-06 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-9544

cvss
9.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
19.9%
EPSS 19.9% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

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.

Patch / fix

  • memcached Debian 14, Debian 13, Debian 12 1.4.33-1

debian advisories DEBIAN-CVE-2016-8705

  • memcached Ubuntu 14.04 LTS 1.4.14-0ubuntu9.1
  • memcached Ubuntu 16.04 LTS 1.4.25-2ubuntu1.2

ubuntu advisories UBUNTU-CVE-2016-8705

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • memcached RHEL 7 1.4.15-10.el7_3.1
  • memcached RHEL 6 1.4.4-3.el6_8.1
  • rhmap-fh-openshift-templates mobile application platform 4.2 1.0.0-5.el7

red hat advisories RHSA-2016:2819RHSA-2016:2820RHSA-2017:0059

  • memcached Studio Onsite Runner 1.3, Studio Onsite 1.3, SLE Software Development Kit 11 SP4 1.2.6-5.17.4.1
  • memcached OpenStack Cloud 6 1.4.39-3.3.1
  • memcached OpenStack Cloud 7, Enterprise Storage 4 1.4.39-3.3.2

suse advisories SUSE-SU-2018:1601-1SUSE-SU-2018:0807-1SUSE-SU-2018:0778-1

  • memcached openSUSE Tumbleweed 1.4.33-1.1

opensuse advisories openSUSE-SU-2024:10021-1

  • memcached Alpine 3.5, Alpine 3.4 1.4.33-r0

alpine advisories ALPINE-CVE-2016-8705

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • memcached Arch Linux 1.4.32-1

arch linux advisories AVG-55

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-8705 updated cvss 9.8

memcached: Server update remote code execution

  • Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) memcached Red Hat OpenStack Platform 8 (Liberty) memcached Red Hat OpenStack Platform 9 (Mitaka) memcached
    affected: workaround, no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client Optional (v. 7) memcached 1.4.15-10.el7_3.1 Red Hat Enterprise Linux ComputeNode Optional (v. 7) memcached 1.4.15-10.el7_3.1
    fixed: vendor fix RHSA-2016:2819
  • Red Hat Enterprise Linux Desktop Optional (v. 6) memcached 1.4.4-3.el6_8.1 Red Hat Enterprise Linux HPC Node Optional (v. 6) memcached 1.4.4-3.el6_8.1 Red Hat Enterprise Linux Server (v. 6) memcached 1.4.4-3.el6_8.1
    fixed: vendor fix RHSA-2016:2820
  • Red Hat Enterprise Linux Server (v. 7) memcached 1.4.15-10.el7_3.1
    fixed: vendor fix RHSA-2016:2819
  • Red Hat Enterprise Linux Server Optional (v. 6) memcached-devel 1.4.4-3.el6_8.1, memcached-debuginfo 1.4.4-3.el6_8.1
    fixed: vendor fix RHSA-2016:2820
  • Red Hat Enterprise Linux Server Optional (v. 7) memcached-devel 1.4.15-10.el7_3.1, memcached-debuginfo 1.4.15-10.el7_3.1
    fixed: vendor fix RHSA-2016:2819
  • Red Hat Enterprise Linux Workstation (v. 6) memcached 1.4.4-3.el6_8.1
    fixed: vendor fix RHSA-2016:2820
  • Red Hat Enterprise Linux Workstation (v. 7) memcached 1.4.15-10.el7_3.1
    fixed: vendor fix RHSA-2016:2819
show 4 more
  • Red Hat Enterprise Linux Workstation Optional (v. 6) memcached-devel 1.4.4-3.el6_8.1, memcached-debuginfo 1.4.4-3.el6_8.1
    fixed: vendor fix RHSA-2016:2820
  • Red Hat Enterprise Linux Workstation Optional (v. 7) memcached-devel 1.4.15-10.el7_3.1, memcached-debuginfo 1.4.15-10.el7_3.1
    fixed: vendor fix RHSA-2016:2819
  • Red Hat Mobile Application Platform 4.2 rhmap-fh-openshift-templates 1.0.0-5.el7
    fixed: vendor fix RHSA-2017:0059
  • Red Hat OpenStack Platform 10 (Newton) memcached
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

19.85% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • talosintelligence.com http://www.talosintelligence.com/reports/TALOS-2016-0220/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Memcached Memcached

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.