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dnspython vulnerabilities

Vulnerability published for dnspython in the last 30 days: 1. Listed in the KEV catalogue: 0.

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Vulnerability: 1

  1. CVE-2026-114605

    High · CVSS 7.5EPSS 0.34%No fix published

    dnspython dns.name.from_wire_parser() excessive CPU use

    dnspython is a DNS toolkit for Python. Prior to 2.9.0, dns.name.from_wire_parser follows attacker-controlled DNS compression pointer chains without a hop limit. A malicious DNS wire-format message can force excessive pointer traversal during name decompression, causing high CPU use, application degradation, or denial of service in applications that process untrusted DNS messages. This issue is fixed in version 2.9.0.

    dnspythonOperating systems
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

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