ISC BIND Multiple Vulnerabilities

Release Date: 18 Sep 2026

Multiple vulnerabilities were identified in ISC BIND. A remote attacker could exploit some of these vulnerabilities to trigger denial of service condition, data manipulation and security restriction bypass on the targeted system.

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Impact

• Denial of Service
• Data Manipulation
• Security Restriction Bypass

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System / Technologies affected

• BIND version 9.11.0 to 9.18.50
• BIND version 9.18.0 to 9.18.50
• BIND version 9.20.0 to 9.20.27
• BIND version 9.21.0 to 9.21.25
• BIND Supported Preview Edition version 9.11.3-S1 to 9.18.50-S1
• BIND Supported Preview Edition version 9.20.9-S1 to 9.20.27-S1

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Solutions

Before installation of the software, please visit the vendor web-site for more details.

 

Apply fixes issued by the vendor:

• BIND version 9.20.29
• BIND version 9.21.26
• BIND Supported Preview Edition version 9.20.29-S1

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Vulnerability Identifier

• CVE-2026-19033
• CVE-2026-19662
• CVE-2026-19666
• CVE-2026-19667
• CVE-2026-19668
• CVE-2026-19941
• CVE-2026-75029
• CVE-2026-76163
• CVE-2026-77119
• CVE-2026-77692
• CVE-2026-78301
• CVE-2026-80274
• CVE-2026-81563
• CVE-2026-81736

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Source

• ISC

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Related Link

• https://kb.isc.org/docs/cve-2026-19033
• https://kb.isc.org/docs/cve-2026-19662
• https://kb.isc.org/docs/cve-2026-19666
• https://kb.isc.org/docs/cve-2026-19667
• https://kb.isc.org/docs/cve-2026-19668
• https://kb.isc.org/docs/cve-2026-19941
• https://kb.isc.org/docs/cve-2026-75029
• https://kb.isc.org/docs/cve-2026-76163
• https://kb.isc.org/docs/cve-2026-77119
• https://kb.isc.org/docs/cve-2026-77692
• https://kb.isc.org/docs/cve-2026-78301
• https://kb.isc.org/docs/cve-2026-80274
• https://kb.isc.org/docs/cve-2026-81563
• https://kb.isc.org/docs/cve-2026-81736