# CVE-2015-5477:  ISC BIND Data Processing Errors Vulnerability

- Exploited (CISA KEV): yes, added 2026-10-08
- Published: 2015-07-29
- CVSS: 7.5 HIGH (v3.1)
- EPSS: 99.6% (100th percentile)
- CWE: CWE-19

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.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | Before feed history | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | Before feed history | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | Before feed history | — | — |

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2015-5477 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2015-5477