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PatchSiren cyber security CVE debrief

CVE-2015-5477 ISC CVE debrief

ISC BIND Data Processing Errors Vulnerability debrief. This high-severity vulnerability affects DNS server operations, potentially disrupting services. Immediate attention is required from DNS server administrators and security teams to assess exposure and prioritize mitigation efforts according to CISA’s BOD 26-04 guidance. The vulnerability is related to data processing errors in ISC BIND, a popular DNS server software. While specific exploitation details are limited, prompt assessment and mitigation are necessary to prevent potential DNS server disruption. Organizations should review vendor instructions and CISA guidance for patching or applying mitigations.

Vendor
ISC
Product
BIND
CVSS
HIGH 7.5
CISA KEV
Listed
Original CVE published
2015-07-29
Original CVE updated
2026-10-08
Advisory published
2015-07-29
Advisory updated
2026-10-08

Who should care

DNS server administrators, security teams, and organizations using ISC BIND should assess their exposure and prioritize mitigation efforts according to CISA’s BOD 26-04 guidance.

Why it matters

CVE-2015-5477 is a high-severity vulnerability in ISC BIND that requires immediate attention from DNS server administrators and security teams. While specific exploitation details are limited, the vulnerability's potential impact on DNS server operations necessitates prompt assessment and mitigation. Affected organizations should prioritize patching or applying mitigations according to vendor instructions and CISA guidance.

  • Potential DNS server disruption
  • Need for urgent patching or mitigation
  • Compliance with CISA’s BOD 26-04 required

Technical summary

CVE-2015-5477 is a high-severity vulnerability in ISC BIND, a popular DNS server software. The vulnerability is related to data processing errors and could potentially impact DNS server operations. However, specific details on exploitation, affected versions, and remediation are limited.

Defensive priority

High priority for DNS server administrators and security teams

Recommended defensive actions

  • Apply mitigations in accordance with vendor instructions
  • Ensure compliance with CISA’s BOD 26-04 guidance
  • Evaluate asset internet exposure and adhere to BOD 26-04 patching guidelines

Evidence notes

Evidence from CISA Known Exploited Vulnerabilities catalog and CVE Program record indicates a high-severity vulnerability in ISC BIND. However, details on exploitation and affected versions are limited.

Sources and references

Verified primary and authoritative sources

  • CVE-2015-5477 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2015-5477

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

  • CVE-2015-5477 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2015-5477

    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

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.