CVE-2015-5477
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2026-10-08 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2026-10-11 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 99.6% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Added to CISA KEV
- 2026-10-08
- Exploit probability
- 99.6% · EPSS, next 30 days
- Weakness
- CWE-19
- Record status
- Analyzed
Affected
- Juniper Junos < 12.1
- Juniper Junos < 13.2
- Juniper Junos 12.1
- Juniper Junos 12.1r
- Juniper Junos 12.1x44
- Juniper Junos 12.1x45
- Juniper Junos 12.1x46
- Juniper Junos 12.1x47
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2015-5477.md and follow it. Check whether this project is affected by CVE-2015-5477. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10718
- https://kb.isc.org/article/AA-01272
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10718
- https://kb.isc.org/article/AA-01272
References
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10718
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163006.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163007.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163015.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00043.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00044.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00045.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00048.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00050.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00033.html
- http://marc.info/?l=bugtraq&m=144000632319155&w=2
- http://marc.info/?l=bugtraq&m=144017354030745&w=2
- http://marc.info/?l=bugtraq&m=144181171013996&w=2
- http://marc.info/?l=bugtraq&m=144294073801304&w=2
- http://packetstormsecurity.com/files/132926/BIND-TKEY-Query-Denial-Of-Service.html
- http://rhn.redhat.com/errata/RHSA-2015-1513.html
- http://rhn.redhat.com/errata/RHSA-2015-1514.html
- http://rhn.redhat.com/errata/RHSA-2015-1515.html
- http://rhn.redhat.com/errata/RHSA-2016-0078.html
- http://rhn.redhat.com/errata/RHSA-2016-0079.html
- http://www.debian.org/security/2015/dsa-3319
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/76092