CVE-2014-6271
CISA KEVPublished January 28, 2022 · Updated April 3, 2026
high
Official Description+
GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute code.
Affected Products
| Vendor | Product |
|---|---|
| GNU | Bourne-Again Shell (Bash) |
Patch Status
Patch by 2022-07-28
Recommended Actions
- Check if your systems use any of the affected products listed above.
- Apply vendor patches immediately if available.
- This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
- Monitor vendor advisories for updates and additional mitigations.
- Review logs for indicators of compromise related to CVE-2014-6271.