Original 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.
Known exploited (CISA KEV)
- Added to KEV
- 2026-10-08
- Remediation due (US federal)
- 2026-10-11
- Ransomware use
- Unknown
- 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.
Affected software
- BIND 9 = 9.10.2≥ 9.1.0 < 9.9.7≥ 9.10.0 < 9.10.2 Fixed in: 9.9.7, 9.10.2 exact match
Details
- Published
- 2015-07-29
- Last modified
- 2026-11-03
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- CWE
- CWE-19, CWE-617
- EPSS (30-day exploit probability)
- 99.58% (percentile 100)
References
- cve.org/CVE-2015-5477
- nvd.nist.gov/vuln/detail/CVE-2015-5477
- kb.juniper.net/InfoCenter/index?page=content&id=JSA10718
- 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/?l=bugtraq&m=144000632319155&w=2
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