CWE
190
Advisory Published
Updated

CVE-2019-25039: Integer Overflow

First published: Tue Apr 27 2021(Updated: )

** DISPUTED ** Unbound before 1.9.5 allows an integer overflow in a size calculation in respip/respip.c. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
libunbound<1.9.5
Debian GNU/Linux=9.0

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Frequently Asked Questions

  • What is CVE-2019-25039?

    CVE-2019-25039 is a vulnerability in Unbound DNS server before version 1.9.5.

  • What is the severity of CVE-2019-25039?

    CVE-2019-25039 has a severity rating of 9.8 (Critical).

  • How does CVE-2019-25039 affect Unbound DNS server?

    CVE-2019-25039 allows an integer overflow in a size calculation in respip/respip.c, potentially leading to remote or local exploitation.

  • Is CVE-2019-25039 actively being exploited?

    There is no known active exploitation of CVE-2019-25039 reported at this time.

  • How can I fix CVE-2019-25039 in Unbound DNS server?

    To fix CVE-2019-25039, it is recommended to update Unbound DNS server to version 1.9.5 or later.

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