Vulnerability DatabaseCVE-2026-40210
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CVE-2026-40210
Published:June 25, 2026
Updated:June 29, 2026
An out-of-bounds read might happen when SetMacAddrAction is used, potentially resulting in uninitialized memory being sent over the network or a crash.
Affected Packages
https://github.com/PowerDNS/pdns.git (GITHUB):
Affected version(s) >=dnsdist-1.9.0 <dnsdist-1.9.15
Fix Suggestion:
Update to version dnsdist-1.9.15
https://github.com/PowerDNS/pdns.git (GITHUB):
Affected version(s) >=dnsdist-2.0.0 <dnsdist-2.0.7
Fix Suggestion:
Update to version dnsdist-2.0.7
Related Resources (1)
https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-09.html
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CVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.8
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Buffer Over-read
CWE-126
EPSS
Base Score:
0.34