dnsdist CVE-2026-33598

| EUVD-2026-24939 MEDIUM
Out-of-bounds Read (CWE-125)
4.8
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low

Lifecycle Timeline

2
Patch available
Apr 22, 2026 - 16:33 EUVD
Analysis Generated
Apr 22, 2026 - 15:02 vuln.today

DescriptionNVD

A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress() or getAddressListByDomain() on a packet cache.

AnalysisAI

Out-of-bounds memory read in dnsdist allows remote attackers to trigger information disclosure or denial of service when custom Lua code invokes getDomainListByAddress() or getAddressListByDomain() functions on a crafted packet cache entry. The vulnerability requires network access but has high attack complexity, limiting real-world exploitation despite the remote attack vector.

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CVE-2026-33598 vulnerability details – vuln.today

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