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CVE-2015-5477· NVD / CVE Program· CNA mitre

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 fa

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.

HighCVSS 7.8 · v2.0—Weaponized Fix available
Published
Jul 29, 2015
Updated
Jun 16, 2026
EPSS
91.3% · 100th percentile
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Report tools

JSON

Action score

58

Plan

Add it to your regular patch cycle.

CVSS
31 / 40 · 7.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
27 / 30 · 91.3%

Affected systems

VendorProduct
iscbind

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • isc bindup to 9.9.7 inclusive
  • isc bindup to 9.10.2 inclusive

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12bind9before 1:9.9.5.dfsg-111:9.9.5.dfsg-11
Debian:6.0bind9before 1:9.7.3.dfsg-1~squeeze161:9.7.3.dfsg-1~squeeze16
Debian:7bind9before 1:9.8.4.dfsg.P1-6+nmu2+deb7u61:9.8.4.dfsg.P1-6+nmu2+deb7u6
Debian:8bind9before 1:9.9.5.dfsg-9+deb8u21:9.9.5.dfsg-9+deb8u2
Red Hat:enterprise_linux:5::clientbindbefore 30:9.3.6-25.P1.el5_11.330:9.3.6-25.P1.el5_11.3
Red Hat:enterprise_linux:5::clientbind-debuginfobefore 30:9.3.6-25.P1.el5_11.330:9.3.6-25.P1.el5_11.3
Red Hat:enterprise_linux:5::clientbind-libsbefore 30:9.3.6-25.P1.el5_11.330:9.3.6-25.P1.el5_11.3
Red Hat:enterprise_linux:5::clientbind-sdbbefore 30:9.3.6-25.P1.el5_11.330:9.3.6-25.P1.el5_11.3
Red Hat:enterprise_linux:5::clientbind-utilsbefore 30:9.3.6-25.P1.el5_11.330:9.3.6-25.P1.el5_11.3
Red Hat:enterprise_linux:5::client_workstationbind-chrootbefore 30:9.3.6-25.P1.el5_11.330:9.3.6-25.P1.el5_11.3
Red Hat:enterprise_linux:5::client_workstationbind-develbefore 30:9.3.6-25.P1.el5_11.330:9.3.6-25.P1.el5_11.3
Red Hat:enterprise_linux:5::client_workstationbind-libbind-develbefore 30:9.3.6-25.P1.el5_11.330:9.3.6-25.P1.el5_11.3
Red Hat:enterprise_linux:5::client_workstationbind97before 32:9.7.0-21.P2.el5_11.232:9.7.0-21.P2.el5_11.2
Red Hat:enterprise_linux:5::client_workstationbind97-chrootbefore 32:9.7.0-21.P2.el5_11.232:9.7.0-21.P2.el5_11.2
Red Hat:enterprise_linux:5::client_workstationbind97-debuginfobefore 32:9.7.0-21.P2.el5_11.232:9.7.0-21.P2.el5_11.2
Red Hat:enterprise_linux:5::client_workstationbind97-develbefore 32:9.7.0-21.P2.el5_11.232:9.7.0-21.P2.el5_11.2
Red Hat:enterprise_linux:5::client_workstationbind97-libsbefore 32:9.7.0-21.P2.el5_11.232:9.7.0-21.P2.el5_11.2
Red Hat:enterprise_linux:5::client_workstationbind97-utilsbefore 32:9.7.0-21.P2.el5_11.232:9.7.0-21.P2.el5_11.2
Red Hat:enterprise_linux:5::client_workstationcaching-nameserverbefore 30:9.3.6-25.P1.el5_11.330:9.3.6-25.P1.el5_11.3
Red Hat:enterprise_linux:6::clientbindbefore 32:9.8.2-0.37.rc1.el6_7.232:9.8.2-0.37.rc1.el6_7.2
Red Hat:enterprise_linux:6::clientbind-chrootbefore 32:9.8.2-0.37.rc1.el6_7.232:9.8.2-0.37.rc1.el6_7.2
Red Hat:enterprise_linux:6::clientbind-debuginfobefore 32:9.8.2-0.37.rc1.el6_7.232:9.8.2-0.37.rc1.el6_7.2
Red Hat:enterprise_linux:6::clientbind-develbefore 32:9.8.2-0.37.rc1.el6_7.232:9.8.2-0.37.rc1.el6_7.2
Red Hat:enterprise_linux:6::clientbind-libsbefore 32:9.8.2-0.37.rc1.el6_7.232:9.8.2-0.37.rc1.el6_7.2

+48

Same product

isc: all records

Other highest-scoring records for the same primary product.

  • CVE-2016-2776buffer.c in named in ISC BIND 9 before 9.9.9-P3, 9.10.x before 9.10.4-P3, and 9.11.x before 9.11.0rc3 does not properly construct responses,
    57Plan
  • CVE-2016-1286named in ISC BIND 9.x before 9.9.8-P4 and 9.10.x before 9.10.3-P4 allows remote attackers to cause a denial of service (assertion failure an
    53Plan
  • CVE-2020-8625A vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack
    51Plan
  • CVE-2020-8617A logic error in code which checks TSIG validity can be used to trigger an assertion failure in tsig.c
    51Plan
  • CVE-2001-0010Buffer overflow in transaction signature (TSIG) handling code in BIND 8 allows remote attackers to gain root privileges.
    49Plan
  • CVE-2018-5740A flaw in the "deny-answer-aliases" feature can cause an assertion failure in named
    48Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Debian:bind91:9.9.5.dfsg-11 · Debian:12Package registry (OSV)
Red Hat:bind32:9.8.2-0.37.rc1.el6_7.2 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
Red Hat:bind-chroot32:9.8.2-0.37.rc1.el6_7.2 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
Red Hat:bind-debuginfo32:9.8.2-0.37.rc1.el6_7.2 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
Red Hat:bind-devel32:9.8.2-0.37.rc1.el6_7.2 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
Red Hat:bind-libbind-devel30:9.3.6-25.P1.el5_11.3 · Red Hat:enterprise_linux:5::client_workstationPackage registry (OSV)
Red Hat:bind-libs32:9.8.2-0.37.rc1.el6_7.2 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
Red Hat:bind-libs-lite32:9.9.4-18.el7_1.3 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
Red Hat:bind-license32:9.9.4-18.el7_1.3 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
Red Hat:bind-lite-devel32:9.9.4-18.el7_1.3 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
Red Hat:bind-sdb32:9.8.2-0.37.rc1.el6_7.2 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
Red Hat:bind-sdb-chroot32:9.9.4-18.el7_1.3 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
Red Hat:bind-utils32:9.8.2-0.37.rc1.el6_7.2 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
SUSE:bind9.9.6P1-0.12.1 · SUSE:Linux Enterprise Software Development Kit 11 SP3Package registry (OSV)

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1
  • Exploit-DB entry ×2
  • Proof-of-concept repository on GitHub ×7

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entrydos2015-08-01
Exploit-DB entrydos2015-08-05
Metasploit moduleauxiliary/dos/dns/bind_tkeyBIND TKEY Query Denial of Serviceauxiliary2015-07-28
Proof-of-concept repository on GitHubstars:642015-07-31
Proof-of-concept repository on GitHubstars:142015-08-01
Proof-of-concept repository on GitHubstars:12015-08-04
Proof-of-concept repository on GitHubstars:12015-08-09
Proof-of-concept repository on GitHubstars:12015-08-19
Proof-of-concept repository on GitHubstars:02018-07-17
Proof-of-concept repository on GitHubstars:02020-05-11

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Metasploit-1 d
  2. Published
  3. First PoC+2 d
  4. TodaySep 30, 2026+4081 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
C · the service can be disrupted
Attack complexity
Low
Confidentiality impact
None
Integrity impact
None
Availability impact
C

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

All records