CVE-2018-11218

Exp

Memory Corruption was discovered in the cmsgpack library in the Lua subsystem in Redis before 3.2.12, 4.x before 4.0.10, and 5.x before 5.0 RC2 because of stack-based buffer overflows.

Published: 2018-06-17 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2018-11218 is rated High Exploit Risk (91.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 83.00%, 99th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.70% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2018-11218

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2018-11218

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-07 80.30% 83.00% +2.70%
2 2026-03-04 84.01% 80.30% -3.70%
3 2026-03-01 84.01%

Full EPSS history (48 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-11218

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2018-11218

OS Trackers for CVE-2018-11218

vendor priority summary link
debian not yet assigned CVE-2018-11218 not yet assigned priority: Debian including 1 source packages (redis), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2018-11218
gentoo normal CVE-2018-11218: 1 GLSA(s) (201908-04), 1 atom(s) (dev-db/redis); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2018-11218
redhat medium https://access.redhat.com/security/cve/CVE-2018-11218
ubuntu medium CVE-2018-11218 medium priority: Ubuntu including 1 source packages (redis), 6 status rows across 6 suites (artful, bionic, cosmic, trusty, upstream, xenial): released 4, ignored 1, not-affected 1. https://ubuntu.com/security/CVE-2018-11218

Affected software / configurations for CVE-2018-11218

Vendor Product Version Raw CPE
redislabs redis < 3.2.12 cpe:2.3:a:redislabs:redis:*:*:*:*:*:*:*:*
redislabs redis >= 4.0, < 4.0.10 cpe:2.3:a:redislabs:redis:*:*:*:*:*:*:*:*
redislabs redis 5.0 cpe:2.3:a:redislabs:redis:5.0:rc1:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
oracle communications_operations_monitor 3.4 cpe:2.3:a:oracle:communications_operations_monitor:3.4:*:*:*:*:*:*:*
oracle communications_operations_monitor 4.0 cpe:2.3:a:oracle:communications_operations_monitor:4.0:*:*:*:*:*:*:*
redhat openstack 10 cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*
redhat openstack 13 cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:*

References for CVE-2018-11218

URL Tags
http://antirez.com/news/119 Exploit Third Party Advisory
http://www.securityfocus.com/bid/104553 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2019:0052 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0094 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1860
https://github.com/antirez/redis/commit/52a00201fca331217c3b4b8b634f6a0f57d6b7d3 Exploit Patch Third Party Advisory
https://github.com/antirez/redis/commit/5ccb6f7a791bf3490357b00a898885759d98bab0 Patch Third Party Advisory
https://github.com/antirez/redis/issues/5017 Third Party Advisory
https://raw.githubusercontent.com/antirez/redis/4.0/00-RELEASENOTES Third Party Advisory
https://raw.githubusercontent.com/antirez/redis/5.0/00-RELEASENOTES Third Party Advisory
https://security.gentoo.org/glsa/201908-04
https://www.debian.org/security/2018/dsa-4230 Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html Patch Third Party Advisory
cvelogic Threat Intelligence