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…
Not rated yet
Known exploited
- Severity
- Not rated yet
- No source has published a CVSS score yet
- Exploit chance (EPSS)
- 99.58%
- Chance of exploitation in the next 30 days. Higher than 99.95% of scored vulnerabilities.
- Known exploited
- Yes
- In CISA's catalog since Oct 8, 2026
- Weakness
- —
- Not classified
- Fix
- None yet
- No fixed version published
Exploited in the wild. ISC BIND Data Processing Errors Vulnerability (ISC BIND). Required action: 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. Due for U.S. federal agencies by Oct 11, 2026.
Description
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.
How to fix
No fixed version has been published yet. Until one is, remove or replace the package, or turn off or isolate the affected feature. This page updates when a fix ships.
References
Advisories
- rhn.redhat.com/errata/RHSA-2015-1513.html
- rhn.redhat.com/errata/RHSA-2015-1514.html
- rhn.redhat.com/errata/RHSA-2015-1515.html
- rhn.redhat.com/errata/RHSA-2016-0078.html
- rhn.redhat.com/errata/RHSA-2016-0079.html
- debian.org/security/2015/dsa-3319
- ubuntu.com/usn/USN-2693-1
- kb.isc.org/article/AA-01272
- security.gentoo.org/glsa/201510-01
- security.netapp.com/advisory/ntap-20160114-0001
Other links
- kb.juniper.net/InfoCenter/index
- lists.fedoraproject.org/pipermail/package-announce/2015-August/163006.html
- lists.fedoraproject.org/pipermail/package-announce/2015-August/163007.html
- lists.fedoraproject.org/pipermail/package-announce/2015-August/163015.html
- lists.opensuse.org/opensuse-security-announce/2015-07/msg00043.html
- lists.opensuse.org/opensuse-security-announce/2015-07/msg00044.html
- lists.opensuse.org/opensuse-security-announce/2015-07/msg00045.html
- lists.opensuse.org/opensuse-security-announce/2015-07/msg00048.html
- lists.opensuse.org/opensuse-security-announce/2015-07/msg00050.html
- lists.opensuse.org/opensuse-security-announce/2015-08/msg00001.html
- lists.opensuse.org/opensuse-security-announce/2016-01/msg00033.html
- marc.info
- marc.info
- marc.info
- marc.info
- packetstormsecurity.com/files/132926/BIND-TKEY-Query-Denial-Of-Service.html
- oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- securityfocus.com/bid/76092
- securitytracker.com/id/1033100
- h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay
- h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay
- kb.isc.org/article/AA-01305
- kb.isc.org/article/AA-01306
- kb.isc.org/article/AA-01307
- kb.isc.org/article/AA-01438
- kb.juniper.net/JSA10783
- kc.mcafee.com/corporate/index
- support.apple.com/kb/HT205032
- exploit-db.com/exploits/37721
- exploit-db.com/exploits/37723
Timeline
- Published
- Last updated by the source
- Added to CISA's Known Exploited Vulnerabilities catalog
- Remediation due for U.S. federal agencies
- Latest EPSS score
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