# CVE-2015-5477: Old BIND DNS servers can be knocked offline

Status: Being used now (CISA KEV, added 2026-10-08)
Who: Teams running older versions of the BIND DNS server.
Do this: Update BIND to a supported version.

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is ISC BIND (CVE-2015-5477) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2015-5477. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official description
ISC BIND contains a data processing errors vulnerability that could allow remote attackers to cause a denial of service via TKEY queries.

## Sources
- https://access.redhat.com/errata/RHSA-2015:1513.html
- https://supportportal.juniper.net/s/article/2016-01-Security-Bulletin-Junos-Vulnerability-in-ISC-BIND-named-CVE-2015-5477
- https://nvd.nist.gov/vuln/detail/CVE-2015-5477
- https://nvd.nist.gov/vuln/detail/CVE-2015-5477

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.