What is CVE-2015-5477?
named in ISC BIND 9.x before 9.9.7-P2 and 9.10.x before 9.10.2-P3 allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via TKEY queries.
Timeline
- 2015-07-29Published to the U.S. National Vulnerability Database (NVD)
- 2026-10-08Added to the CISA Known Exploited Vulnerabilities (KEV) catalog
- 2026-10-09NVD record last updated
- 2026-10-11CISA federal remediation deadline (BOD 22-01)
CISA Known Exploited Vulnerability
ISC BIND Data Processing Errors Vulnerability
Affected product
ISC BIND
Remediation Steps
- Apply the vendor security update for ISC BIND as a priority.
- Restrict network exposure of the affected service to trusted sources until patched.
- Review logs and detections for indicators of exploitation.
- Confirm fixed versions against the official vendor advisory before deploying.
References
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10718
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163006.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163007.html
- https://nvd.nist.gov/vuln/detail/CVE-2015-5477
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Referenced in our briefings & reports
- Vulnerability Priority Report – Week 1 of October 2026 (October 5 – 11)
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🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.