Buffer overflow in CHICKEN 4.9.0.x before 4.9.0.2, 4.9.x before 4.9.1, and before 5.0 allows attackers to have unspecified impact via a positive START argument to the "substring-index[-ci] procedures."
Conclusion & alert: CVE-2014-9651 is rated Moderate Risk (50.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.43%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2025-03-30 | 0.90% | 0.43% | -0.47% |
| 2 | 2025-03-29 | 0.44% | 0.90% | +0.46% |
| 3 | 2023-03-07 | — | 0.44% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-9651 not yet assigned priority: Debian including 1 source packages (chicken), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2014-9651 |
gentoo
|
normal | CVE-2014-9651: 1 GLSA(s) (201612-54), 1 atom(s) (dev-scheme/chicken); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-9651 |
ubuntu
|
medium | CVE-2014-9651 medium priority: Ubuntu including 1 source packages (chicken), 27 status rows across 27 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lucid, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 16, ignored 8, DNE 1, needed 1, needs-triage 1. | https://ubuntu.com/security/CVE-2014-9651 |