B9
Product
BIND 9
by ISC · last CVE Oct 21, 2026
52
CVEs
0
On KEV
9.8
Max CVSS
4
New 30D
Severity mix
Critical 1High 29Medium 21Low 1
Watch

Add BIND 9 to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-3593
9.8
2%
May 20
Heap use-after-free vulnerability in BIND 9 DNS-over-HTTPS implementation
Affected: 9.20.0 through 9.20.22; 9.21.0 through 9.21.21; 9.20.9-S1 through 9.20.22-S1
CVE-2026-13321
8.6
0%
Jul 22
DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field
Affected: 9.11.0 through 9.18.50; 9.20.0 through 9.20.24; 9.21.0 through 9.21.23; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.24-S1
CVE-2026-94300
8.1
1%
Oct 21
Concurrent GSS-TSIG messages corrupt memory
Affected: 9.11.0 through 9.18.50; 9.20.0 through 9.20.29; 9.21.0 through 9.21.26; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.29-S1
CVE-2017-3141
7.8
1%
Jan 16
Windows service and uninstall paths are not quoted when BIND is installed
Affected: 9.2.6-P2->9.2.9, 9.3.2-P1->9.3.6, 9.4.0->9.8.8, 9.9.0->9.9.10, 9.10.0->9.10.5, 9.11.0->9.11.1, 9.9.3-S1->9.9.10-S1, 9.10.5-S1
CVE-2026-97313
7.5
0%
Oct 21
Specific RPZ configurations and query patterns may result in an unexpected exit
Affected: 9.16.0 through 9.18.50; 9.20.0 through 9.20.29; 9.21.0 through 9.21.26; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.29-S1
CVE-2026-96888
7.5
0%
Oct 21
Named may terminate unexpectedly when a redirect zone is used with strict QNAME minimization
Affected: 9.16.0 through 9.18.50; 9.20.0 through 9.20.29; 9.21.0 through 9.21.26; 9.16.8-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.29-S1
CVE-2026-19630
7.5
0%
Oct 21
Amplified resource exhaustion in inbound message processing
Affected: 9.11.0 through 9.18.50; 9.20.0 through 9.20.29; 9.21.0 through 9.21.26; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.29-S1
CVE-2026-80274
7.5
1%
Sep 16
Validating resolver can abort while caching a mismatched NOQNAME proof
Affected: 9.11.0 through 9.18.50; 9.20.0 through 9.20.27; 9.21.0 through 9.21.25; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.27-S1
CVE-2026-76163
7.5
1%
Sep 16
named aborts on a TKEY query when the user configuration has no global options statement
Affected: 9.20.0 through 9.20.27; 9.21.0 through 9.21.25; 9.20.9-S1 through 9.20.27-S1
CVE-2026-19666
7.5
1%
Sep 16
Use-after-free in query_addnoqnameproof() via the DNS64 filter64 path
Affected: 9.11.0 through 9.18.50; 9.20.0 through 9.20.27; 9.21.0 through 9.21.25; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.27-S1
CVE-2026-81563
7.5
1%
Sep 16
SVCB AliasMode additional-data error leaks qpcache references
Affected: 9.18.0 through 9.18.50; 9.20.0 through 9.20.27; 9.21.0 through 9.21.25; 9.18.11-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.27-S1
CVE-2026-77692
7.5
7%
Sep 16
Unauthenticated remote crash of named via a single DoH SIG(0) request
Affected: 9.20.0 through 9.20.27; 9.21.0 through 9.21.25; 9.20.9-S1 through 9.20.27-S1
CVE-2026-19667
7.5
1%
Sep 16
Remote assertion failure via 16-bit length truncation in `dns_ncache_add()`
Affected: 9.11.0 through 9.18.50; 9.20.0 through 9.20.27; 9.21.0 through 9.21.25; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.27-S1
CVE-2026-81736
7.5
1%
Sep 16
Remote CPU denial of service through cached SVCB/HTTPS AliasMode trees
Affected: 9.18.0 through 9.18.50; 9.20.0 through 9.20.27; 9.21.0 through 9.21.25; 9.18.11-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.27-S1
CVE-2026-13204
7.5
1%
Jul 22
Unexpected exit in certain situations with NSEC and NSEC3 both present
Affected: 9.11.0 through 9.18.50; 9.20.0 through 9.20.24; 9.21.0 through 9.21.23; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.24-S1
CVE-2026-12617
7.5
1%
Jul 22
Record ordering based unexpected exit with CNAME or DNAME
Affected: 9.18.0 through 9.18.50; 9.20.0 through 9.20.24; 9.18.11-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.24-S1
CVE-2026-11721
7.5
0%
Jul 22
Cache poisoning possible with label count discrepancy, RRSIG, and wildcards
Affected: 9.11.0 through 9.18.50; 9.20.0 through 9.20.24; 9.21.0 through 9.21.23; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.24-S1
CVE-2026-11622
7.5
1%
Jul 22
Potential memory usage beyond configured limits
Affected: 9.11.0 through 9.18.50; 9.20.0 through 9.20.24; 9.21.0 through 9.21.23; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.24-S1
CVE-2026-11605
7.5
1%
Jul 22
Unnecessary validation of DNSSEC signed records
Affected: 9.20.0 through 9.20.24; 9.21.0 through 9.21.23; 9.20.9-S1 through 9.20.24-S1
CVE-2026-11331
7.5
0%
Jul 22
Potential wildcard CNAME RPZ policy bypass
Affected: 9.16.0 through 9.18.50; 9.20.0 through 9.20.24; 9.21.0 through 9.21.23; 9.16.8-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.24-S1
CVE-2026-5946
7.5
2%
May 20
Invalid handling of CLASS != IN
Affected: 9.11.0 through 9.16.50; 9.18.0 through 9.18.48; 9.20.0 through 9.20.22; 9.21.0 through 9.21.21; 9.11.3-S1 through 9.16.50-S1; 9.18.11-S1 through 9.18.48-S1; +1 more
CVE-2026-3039
7.5
1%
May 20
BIND 9 server memory exhaustion during GSS-API TKEY negotiation
Affected: 9.0.0 through 9.16.50; 9.18.0 through 9.18.48; 9.20.0 through 9.20.22; 9.21.0 through 9.21.21; 9.9.3-S1 through 9.16.50-S1; 9.18.11-S1 through 9.18.48-S1; +1 more
CVE-2026-3104
7.5
1%
Mar 25
Memory leak in code preparing DNSSEC proofs of non-existence
Affected: 9.20.0 through 9.20.20; 9.21.0 through 9.21.19; 9.20.9-S1 through 9.20.20-S1
CVE-2026-1519
7.5
2%
Mar 25
Excessive NSEC3 iterations cause high CPU load during insecure delegation validation
Affected: 9.11.0 through 9.16.50; 9.18.0 through 9.18.46; 9.20.0 through 9.20.20; 9.21.0 through 9.21.19; 9.11.3-S1 through 9.16.50-S1; 9.18.11-S1 through 9.18.46-S1; +1 more
CVE-2018-5738
7.5
11%
Jan 16
Some versions of BIND can improperly permit recursive query service to unauthorized clients
Affected: 9.9.12, 9.10.7, 9.11.3, 9.12.0->9.12.1-P2, the development release 9.13.0, and also releases 9.9.12-S1, 9.10.7-S1, 9.11.3-S1, and 9.11.3-S2 from BIND 9 Supported Preview Edition.
CVE-2017-3137
7.5
9%
Jan 16
A response packet can cause a resolver to terminate when processing an answer containing a CNAME or DNAME
Affected: 9.9.9-P6, 9.9.10b1->9.9.10rc1, 9.10.4-P6, 9.10.5b1->9.10.5rc1, 9.11.0-P3, 9.11.1b1->9.11.1rc1, and 9.9.9-S8
CVE-2017-3145
7.5
28%
Jan 16
Improper fetch cleanup sequencing in the resolver can cause named to crash
Affected: 9.0.0 to 9.8.x, 9.9.0 to 9.9.11, 9.10.0 to 9.10.6, 9.11.0 to 9.11.2, 9.9.3-S1 to 9.9.11-S1, 9.10.5-S1 to 9.10.6-S1, 9.12.0a1 to 9.12.0rc1
CVE-2018-5734
7.5
6%
Jan 16
A malformed request can trigger an assertion failure in badcache.c
Affected: 9.10.5-S1 to 9.10.5-S4, 9.10.6-S1, 9.10.6-S2
CVE-2018-5737
7.5
10%
Jan 16
BIND 9.12's serve-stale implementation can cause an assertion failure in rbtdb.c or other undesirable behavior, even if serve-stale is not enabled.
Affected: 9.12.0 and 9.12.1
CVE-2018-5740
7.5
60%
Jan 16
A flaw in the "deny-answer-aliases" feature can cause an assertion failure in named
Affected: BIND 9 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4, 9.12.0->9.12.2, 9.13.0->9.13.2
CVE-2026-10723
6.8
0%
Jul 22
Incorrect acceptance of NSEC3 records
Affected: 9.18.0 through 9.18.50; 9.20.0 through 9.20.24; 9.21.0 through 9.21.23; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.24-S1
CVE-2026-19033
6.5
0%
Sep 16
Unauthenticated IXFR deltas are applied to the live zone before TSIG verification
Affected: 9.11.0 through 9.18.50; 9.20.0 through 9.20.27; 9.21.0 through 9.21.25; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.27-S1
CVE-2026-10822
6.5
0%
Jul 22
Key Record using PRIVATEDNS algorithm may lead to unexpected exit
Affected: 9.18.0 through 9.18.50; 9.20.0 through 9.20.24; 9.21.0 through 9.21.23; 9.18.11-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.24-S1
CVE-2026-3119
6.5
1%
Mar 25
Authenticated query containing a TKEY record may cause named to terminate unexpectedly
Affected: 9.20.0 through 9.20.20; 9.21.0 through 9.21.19; 9.20.9-S1 through 9.20.20-S1
CVE-2018-5741
6.5
3%
Jan 16
Update policies krb5-subdomain and ms-subdomain do not enforce controls promised in their documentation
Affected: BIND 9 Versions prior to BIND 9.11.5 and BIND 9.12.3
CVE-2026-77119
5.9
0%
Sep 16
NSEC3 insecure-referral proof can use unrelated cached NSEC3 RRsets
Affected: 9.11.0 through 9.18.50; 9.20.0 through 9.20.27; 9.21.0 through 9.21.25; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.27-S1
CVE-2026-19941
5.9
0%
Sep 16
checkwildcard() accepts an out-of-zone NSEC as a wildcard-nonexistence proof
Affected: 9.11.0 through 9.18.50; 9.20.0 through 9.20.27; 9.21.0 through 9.21.25; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.27-S1
CVE-2026-19662
5.9
0%
Sep 16
qpcache NOQNAME proof use-after-free crashes recursive resolver
Affected: 9.11.0 through 9.18.50; 9.20.0 through 9.20.27; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.27-S1
CVE-2026-5947
5.9
1%
May 20
SIG(0) validation during query flood may lead to undefined behavior
Affected: 9.20.0 through 9.20.22; 9.21.0 through 9.21.21; 9.20.9-S1 through 9.20.22-S1
CVE-2017-3135
5.9
17%
Jan 16
Combination of DNS64 and RPZ Can Lead to Crash
Affected: BIND 9 9.8.8, 9.9.3-S1 -> 9.9.9-S7, 9.9.3 -> 9.9.9-P5, 9.9.10b1, 9.10.0 -> 9.10.4-P5, 9.10.5b1, 9.11.0 -> 9.11.0-P2, 9.11.1b1
CVE-2016-9778
5.9
7%
Jan 16
An error handling certain queries using the nxdomain-redirect feature could cause a REQUIRE assertion failure in db.c
Affected: BIND 9 9.9.8-S1 -> 9.9.8-S3, 9.9.9-S1 -> 9.9.9-S6, 9.11.0-9.11.0-P1
CVE-2017-3143
5.9
18%
Jan 16
An error in TSIG authentication can permit unauthorized dynamic updates
Affected: 9.4.0->9.8.8, 9.9.0->9.9.10-P1, 9.10.0->9.10.5-P1, 9.11.0->9.11.1-P1, 9.9.3-S1->9.9.10-S2, 9.10.5-S1->9.10.5-S2
CVE-2017-3140
5.9
12%
Jan 16
An error processing RPZ rules can cause named to loop endlessly after handling a query
Affected: 9.9.10, 9.10.5, 9.11.0->9.11.1, 9.9.10-S1, 9.10.5-S1
CVE-2017-3136
5.9
11%
Jan 16
An error handling synthesized records could cause an assertion failure when using DNS64 with "break-dnssec yes;"
Affected: 9.8.0 -> 9.8.8-P1, 9.9.0 -> 9.9.9-P6, 9.9.10b1->9.9.10rc1, 9.10.0 -> 9.10.4-P6, 9.10.5b1->9.10.5rc1, 9.11.0 -> 9.11.0-P3, 9.11.1b1->9.11.1rc1, 9.9.3-S1 -> 9.9.9-S8
CVE-2026-78301
5.8
0%
Sep 16
Out-of-zone database nodes can become authoritative zone cuts
Affected: 9.11.0 through 9.18.50; 9.20.0 through 9.20.27; 9.21.0 through 9.21.25; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.27-S1
CVE-2026-3591
5.4
0%
Mar 25
A stack use-after-return flaw in SIG(0) handling code may enable ACL bypass
Affected: 9.20.0 through 9.20.20; 9.21.0 through 9.21.19; 9.20.9-S1 through 9.20.20-S1
CVE-2026-75029
5.3
0%
Sep 16
Message parser retains every identical singleton RDATA, enabling wire-to-work amplification
Affected: 9.11.0 through 9.18.50; 9.20.0 through 9.20.27; 9.21.0 through 9.21.25; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.27-S1
CVE-2026-19668
5.3
0%
Sep 16
Resource Exhaustion via Excessive DNSSEC Cryptographic Material Matching
Affected: 9.11.0 through 9.18.50; 9.20.0 through 9.20.27; 9.21.0 through 9.21.25; 9.11.3-S1 through 9.18.50-S1; 9.20.9-S1 through 9.20.27-S1
CVE-2026-5950
5.3
1%
May 20
Unbounded resend loop in BIND 9 resolver
Affected: 9.18.36 through 9.18.48; 9.20.8 through 9.20.22; 9.21.7 through 9.21.21; 9.18.36-S1 through 9.18.48-S1; 9.20.9-S1 through 9.20.22-S1
CVE-2026-3592
5.3
0%
May 20
Amplification vulnerabilities via self-pointed glue records
Affected: 9.11.0 through 9.16.50; 9.18.0 through 9.18.48; 9.20.0 through 9.20.22; 9.21.0 through 9.21.21; 9.11.3-S1 through 9.16.50-S1; 9.18.11-S1 through 9.18.48-S1; +1 more
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