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High ELSA-2023-3559 1 CVE

Important: c-ares security update (Oracle Linux 9)

Published Jun 13, 2023 · Updated Jun 13, 2023

Summary

[1.17.1-5.1]
- Resolves: rhbz#2209519 - CVE-2023-32067 c-ares: 0-byte UDP payload Denial of Service [rhel-9.2.0.z]

Fixed packages 2

ReleasePackageFixed in
Oracle Linux · 9 c-ares 0:1.17.1-5.el9_2.1
Oracle Linux · 9 c-ares-devel 0:1.17.1-5.el9_2.1

Vulnerabilities 1

  • High 7.5

    0-byte UDP payload DoS in c-ares

    c-ares is an asynchronous resolver library. c-ares is vulnerable to denial of service. If a target resolver sends a query, the attacker forges a malformed UDP packet with a length of 0 and returns them to the target resolver. The target resolver erroneously i…