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.
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.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| 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 |
| 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:*:*:*:*:*:*:* |