Description
A use-after-free vulnerability exists within the DNS-over-HTTPS implementation. This issue affects BIND 9 versions 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, and 9.20.9-S1 through 9.20.22-S1. BIND 9 versions 9.18.0 through 9.18.48 and 9.18.11-S1 through 9.18.48-S1 are NOT affected.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High
Affected products
- ISC / BIND9.20.0 – 9.20.23
- ISC / BIND 99.20.0 – 9.20.22
- ISC / BIND 99.21.0 – 9.21.21
- ISC / BIND 99.20.9-S1 – 9.20.22-S1
- ISC / BIND 99.18.0 – 9.18.48
- ISC / BIND 99.18.11-S1 – 9.18.48-S1
Updated 38m ago · 8 sources