Summary
generated automatically from NVD dataCVE-2015-5477 affects the named daemon in ISC BIND 9.x before 9.9.7-P2 and 9.10.x before 9.10.2-P3. A remote attacker can send crafted TKEY queries that trigger a REQUIRE assertion failure, causing the daemon to exit and resulting in a denial of service. It is rated 7.5 (HIGH, CVSS v3.1), and CISA's KEV catalog lists it as actively exploited. Affected platforms include Juniper Junos, Fedora, Red Hat Enterprise Linux, Debian, Oracle Solaris and HP-UX.
NVD 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.
⚠️ Actively exploited — CISA KEV
This CVE was added to CISA's Known Exploited Vulnerabilities catalog on 2026-10-08. It is confirmed exploited in the wild and must be patched as a priority.
Remediation deadline (US federal agencies): 2026-10-11
EPSS · FIRST.org
99.4%probability of exploitation in the next 30 days
Higher than 99% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-16, recomputed daily by FIRST.org.
In-depth analysis on cveo.tech
We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.
CVSS v3.1 Score
Information
- Published
- 29 juil. 2015
- Updated
- 9 oct. 2026
- Status
- Analyzed
- Source
- cve@mitre.org
Affected products
Weaknesses (CWE)
References (85)
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10718MitigationThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163006.htmlMailing ListThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163007.htmlMailing ListThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163015.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00043.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00044.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00045.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00048.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00050.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00001.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00033.htmlMailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=144000632319155&w=2Mailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=144017354030745&w=2Mailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=144181171013996&w=2Mailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=144294073801304&w=2Mailing ListThird Party Advisory
- + 70 more references on NVD
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