High severity · published Jul 29, 2015
CVE-2015-5477
ISC BIND Data Processing Errors Vulnerability
In wildKEV
7.5
CVSS
99.6%
EPSS
Yes
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)99.6% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Oct 8, 2026
Federal remediation dueOct 11, 2026
Ransomware campaign useNot known
Affected products
Which versions
JO
Junos OS · Juniper
before 12.1; 13.1 before 13.2; 12.1; 12.1; 12.1r; 12.1x44; +34 more · source: NVD
BI
Bind · Isc
9.1.0 before 9.9.7; 9.10.0 before 9.10.2; 9.10.2 · source: NVD, KEV
CD
Clustered Data Ontap · Netapp
All versions, or not specified · source: NVD
DL
Debian Linux · Debian
7.0; 8.0 · source: NVD
DN
Dns · Hpe
9.2.3; 9.3 · source: NVD
EL
Enterprise Linux · Redhat
5.0; 6.0; 7.0 · source: NVD
EL
Enterprise Linux Aus · Redhat
6.4; 6.5; 6.6 · source: NVD
EV
Evergreen · Opensuse
11.4 · source: NVD
FE
Fedora · Fedoraproject
21; 22 · source: NVD
HP
Hp-ux · HP
11.11; 11.23; 11.31 · source: NVD
LE
Linux Enterprise Debuginfo · Suse
11; 11 · source: NVD
LE
Linux Enterprise Desktop · Suse
11; 11; 12 · source: NVD
In the news
AdvisoryHigh
Chinese Government-linked Cyber Threat Actors Combine Automated and Hands-on Hacking Tools to Steal Sensitive Data
Advisory at a Glance
Title
Chinese Government-linked Cyber Threat Actors Combine Automated and Hands-on Hacking Tools to Steal Sensitive Data
Original Publication
October 8, 2026
Executive Summary
Chinese government-linked cyber threat actors, enabled by the Integrity Technology Group, are combining automated scanning tools, large-scale botnets, and hands-on exploitation techniques to target and steal sensitive data from organizations worldwide, including US critical infrastructure sectors. These actors exploit vulnerabilities by using scanning tools, cross-site scripting attacks, and password spraying on Microsoft Exchange servers, while establishing persistence through VPN software and exfiltrating emails and credentials using scripts. To help mitigate against this activity, organizations should prioritize disabling unused services and ports, sanitizing web application inputs to prevent injection attacks, implementing multifactor authentication for all services, and applying timely patches to reduce risks of compromise.
Affected Products
CVE-2014-6278
CVE-2015-3306
CVE-2015-5477
CVE-2016-3081
CVE-2019-11510
CVE-2021-22205
CVE-2021-3199
CVE-2023-22894
Key Actions
...
Oct 8, 2026·CISA Advisories
VulnerabilityMedium
[CISA KEV] CVE-2015-5477: ISC BIND - ISC BIND Data Processing Errors Vulnerability
ISC BIND contains a data processing errors vulnerability that could allow remote attackers to cause a denial of service via TKEY queries.
BIBINDCVE-2015-5477
Oct 8, 2026·CISA KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-5477
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-5477
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
http://packetstormsecurity.com/files/132926/BIND-TKEY-Query-Denial-Of-Service.html
x_refsource_CONFIRM
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
vendor-advisory
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00050.html
x_refsource_CONFIRM
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04789415
x_refsource_CONFIRM
https://kb.juniper.net/JSA10783
vendor-advisory
http://rhn.redhat.com/errata/RHSA-2015-1513.html
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