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OpenAdvisories
High USN-4737-2 1 CVE

bind9 vulnerability

Published Mar 1, 2021 · Updated Apr 22, 2026

Ecosystem: Ubuntu

Summary

USN-4737-1 fixed a vulnerability in Bind. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that Bind incorrectly handled GSSAPI security policy
negotiation. A remote attacker could use this issue to cause Bind to crash,
resulting in a denial of service, or possibly execute arbitrary code. In
the default installation, attackers would be isolated by the Bind AppArmor
profile.

Fixed packages 1

ReleasePackageFixed in
Ubuntu · Pro 14.04 LTS Pro:14.04:LTS bind9 1:9.9.5.dfsg-3ubuntu0.19+esm4

Vulnerabilities 1

  • High 8.1
    CVE-2020-8625 EPSS 64%

    A vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack

    BIND servers are vulnerable if they are running an affected version and are configured to use GSS-TSIG features. In a configuration which uses BIND's default settings the vulnerable code path is not exposed, but a server can be rendered vulnerable by explicit…

    ISC BIND9 bind9 bind9 Debian Ubuntu Alpine

References

  • report
    https://ubuntu.com/security/CVE-2020-8625