The redirection implementation in parse.y in GNU Bash through 4.3 bash43-026 allows remote attackers to cause a denial of service (out-of-bounds array access and application crash) or possibly have unspecified other impact via crafted use of here documents, aka the "redir_stack" issue.
Conclusion & alert: CVE-2014-7186 is rated High Exploit Risk (89/100): CVSS Critical severity, with high exploitation likelihood (EPSS 89.35%, 100th percentile). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). 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 |
|---|---|---|---|---|
| 34860 | exploit_db | edb | 2014-10-02 | Exploit-DB ↗ |
| 36933 | exploit_db | edb | 2014-09-29 | 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 | 2026-06-03 | 90.15% | 89.35% | -0.80% |
| 2 | 2026-05-22 | 89.35% | 90.15% | +0.80% |
| 3 | 2026-04-15 | — | 89.35% | — |
Full EPSS history (43 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-7186 not yet assigned priority: Debian including 1 source packages (bash), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2014-7186 |
gentoo
|
high | CVE-2014-7186: 1 GLSA(s) (201410-01), 1 atom(s) (app-shells/bash); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-7186 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2014-7186 |
suse
|
medium | CVE-2014-7186 severity moderate: SUSE including 122 source package names (bash, bash-3.2-147.14.22.1, …), 470 product×package rows across 88 product lines (HPE Helion OpenStack 8, SLES-LTSS-TERADATA 15 SP2, … (88 product lines)): Known Not Affected 276, Fixed 194. | https://www.suse.com/security/cve/CVE-2014-7186/ |
ubuntu
|
medium | CVE-2014-7186 medium priority: Ubuntu including 1 source packages (bash), 4 status rows across 4 suites (lucid, precise, trusty, upstream): released 3, needs-triage 1. | https://ubuntu.com/security/CVE-2014-7186 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| gnu | bash | 1.14.0 | cpe:2.3:a:gnu:bash:1.14.0:*:*:*:*:*:*:* |
| gnu | bash | 1.14.1 | cpe:2.3:a:gnu:bash:1.14.1:*:*:*:*:*:*:* |
| gnu | bash | 1.14.2 | cpe:2.3:a:gnu:bash:1.14.2:*:*:*:*:*:*:* |
| gnu | bash | 1.14.3 | cpe:2.3:a:gnu:bash:1.14.3:*:*:*:*:*:*:* |
| gnu | bash | 1.14.4 | cpe:2.3:a:gnu:bash:1.14.4:*:*:*:*:*:*:* |
| gnu | bash | 1.14.5 | cpe:2.3:a:gnu:bash:1.14.5:*:*:*:*:*:*:* |
| gnu | bash | 1.14.6 | cpe:2.3:a:gnu:bash:1.14.6:*:*:*:*:*:*:* |
| gnu | bash | 1.14.7 | cpe:2.3:a:gnu:bash:1.14.7:*:*:*:*:*:*:* |
| gnu | bash | 2.0 | cpe:2.3:a:gnu:bash:2.0:*:*:*:*:*:*:* |
| gnu | bash | 2.01 | cpe:2.3:a:gnu:bash:2.01:*:*:*:*:*:*:* |
| gnu | bash | 2.01.1 | cpe:2.3:a:gnu:bash:2.01.1:*:*:*:*:*:*:* |
| gnu | bash | 2.02 | cpe:2.3:a:gnu:bash:2.02:*:*:*:*:*:*:* |
| gnu | bash | 2.02.1 | cpe:2.3:a:gnu:bash:2.02.1:*:*:*:*:*:*:* |
| gnu | bash | 2.03 | cpe:2.3:a:gnu:bash:2.03:*:*:*:*:*:*:* |
| gnu | bash | 2.04 | cpe:2.3:a:gnu:bash:2.04:*:*:*:*:*:*:* |
| gnu | bash | 2.05 | cpe:2.3:a:gnu:bash:2.05:*:*:*:*:*:*:* |
| gnu | bash | 2.05 | cpe:2.3:a:gnu:bash:2.05:a:*:*:*:*:*:* |
| gnu | bash | 2.05 | cpe:2.3:a:gnu:bash:2.05:b:*:*:*:*:*:* |
| gnu | bash | 3.0 | cpe:2.3:a:gnu:bash:3.0:*:*:*:*:*:*:* |
| gnu | bash | 3.0.16 | cpe:2.3:a:gnu:bash:3.0.16:*:*:*:*:*:*:* |
| gnu | bash | 3.1 | cpe:2.3:a:gnu:bash:3.1:*:*:*:*:*:*:* |
| gnu | bash | 3.2 | cpe:2.3:a:gnu:bash:3.2:*:*:*:*:*:*:* |
| gnu | bash | 3.2.48 | cpe:2.3:a:gnu:bash:3.2.48:*:*:*:*:*:*:* |
| gnu | bash | 4.0 | cpe:2.3:a:gnu:bash:4.0:*:*:*:*:*:*:* |
| gnu | bash | 4.0 | cpe:2.3:a:gnu:bash:4.0:rc1:*:*:*:*:*:* |
| gnu | bash | 4.1 | cpe:2.3:a:gnu:bash:4.1:*:*:*:*:*:*:* |
| gnu | bash | 4.2 | cpe:2.3:a:gnu:bash:4.2:*:*:*:*:*:*:* |
| gnu | bash | 4.3 | cpe:2.3:a:gnu:bash:4.3:*:*:*:*:*:*:* |