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    CVE-2026-33257

    An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default.

    Published:Apr 22, 2026
    Last Modified:Apr 27, 2026
    EPS:Apr 22, 2026
    EPSS Score:0.00009
    CVSS Score:5.3

    Affected Products

    Vendor
    Powerdns
    Product
    Authoritative
    Vendor
    Powerdns
    Product
    Dnsdist
    Vendor
    Powerdns
    Product
    Recursor

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-42002 (CVSS 5.9) — Concurrency and locking defects in GSS-TSIG…
    CVE-2026-42001 (CVSS 7.5) — Insufficient Validation of Autoprimary SOA Queries…
    CVE-2026-42000 (CVSS 6.8) — Insufficient Validation of Names During AXFR…
    CVE-2026-42396 (CVSS 4.9) — Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail…
    CVE-2026-33611 (CVSS 6.5) — An operator allowed to use the REST API can cause the Authoritative server to produce invalid HTTPS or SVCB re…
    CVE-2026-33610 (CVSS 5.9) — A rogue primary server may cause file descriptor exhaustion and eventually a denial of service, when a PowerDN…
    CVE-2026-33609 (CVSS 5.3) — Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of inte…
    CVE-2026-33608 (CVSS 7.4) — An attacker can send a notify request that causes a new secondary domain to be added to the bind backend, but …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High