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PatchSiren cyber security CVE debrief

CVE-2014-6278 GNU CVE debrief

CISA lists CVE-2014-6278 as a GNU Bash OS command injection vulnerability and includes it in the Known Exploited Vulnerabilities catalog. That means defenders should treat it as actively abused in the wild and prioritize remediation for any system that uses GNU Bash directly or embeds it through downstream products.

Vendor
GNU
Product
GNU Bash
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2025-10-02
Original CVE updated
2025-10-02
Advisory published
2025-10-02
Advisory updated
2025-10-02

Who should care

Security teams, Linux and Unix administrators, cloud operators, and vendors that ship GNU Bash or bundle it into appliances, libraries, or proprietary products.

Technical summary

The supplied official records identify CVE-2014-6278 as an OS command injection vulnerability in GNU Bash. CISA’s KEV entry marks it as known exploited and notes that the issue may affect open-source components, third-party libraries, protocols, or proprietary implementations used in different products. Because Bash is commonly embedded, exposure may exist beyond a single direct installation.

Defensive priority

Urgent

Recommended defensive actions

  • Apply mitigations per vendor instructions as referenced by CISA and the vendor advisories linked from the KEV entry.
  • Inventory systems, images, appliances, and applications that include GNU Bash or bundle it as a dependency.
  • Patch or update affected deployments as soon as a vendor fix is available.
  • If mitigations are unavailable, discontinue use of the affected product or component.
  • For cloud services, follow applicable CISA BOD 22-01 guidance.
  • Validate that downstream and embedded products have also been updated, not just standalone Bash installations.

Evidence notes

This debrief is based on the supplied CISA KEV source item and the linked official records only. The KEV metadata identifies GNU Bash as the affected product, labels the issue as known exploited, and provides the remediation guidance and due date. No CVSS score was supplied in the corpus, so severity is prioritized from KEV status and remediation guidance rather than a numeric score.

Sources and references

Verified primary and authoritative sources

  • CVE-2014-6278 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2014-6278

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2014-6278 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2014-6278

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.