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BI
Product
BIND
by ISC · last CVE May 20, 2026
On CISA KEVExploited in the wild
184
CVEs
1
On KEV
9.8
Max CVSS
0
New 30D
Vulnerabilities184In the news2Timeline
Severity mix
Critical 2High 62Medium 36Low 1
Severity
All severities184Critical2High62Medium36Low1
Exploitation
On CISA KEV1Exploited in the wild1
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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 before 9.20.23; 9.21.0 before 9.21.22
CVE-2021-25216
9.8
83%
Apr 29
In BIND 9.5.0 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.11.3-S1 -> 9.11.29-S1 and 9.16.8-S1 -> 9.16.13-S1 of BIND Supported Preview Edition, as well as release versions…
Affected: 9.0.0 before 9.11.31; 9.12.0 before 9.16.15; 9.17.0 before 9.17.12; 9.9.3; 9.9.12; 9.9.13; +16 more
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