ISC BIND Data Processing Errors
What to do
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA deadline 2026-10-11 · due today · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
ISC BIND contains a data processing errors vulnerability that could allow remote attackers to cause a denial of service via TKEY queries.
Who is affected
ISC BIND. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-19.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinedue today
Sources
- NVD entry for CVE-2015-5477 nvd.nist.gov/vuln/detail/CVE-2015-5477
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- web.archive.org web.archive.org/web/20150729014733/https://kb.isc.org/article/AA-01272
- access.redhat.com access.redhat.com/errata/RHSA-2015:1513.html
- supportportal.juniper.net supportportal.juniper.net/s/article/2016-01-Security-Bulletin-Junos-Vulnerability-in-ISC-BIND-named-CVE-2015-5477
- cisa.gov www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
- cisa.gov www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2015-5477