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Medium USN-4026-1 1 CVE

bind9 vulnerability

Published Jun 20, 2019 · Updated Apr 22, 2026

Ecosystem: Ubuntu

Summary

It was discovered that Bind incorrectly handled certain malformed packets.
A remote attacker could possibly use this issue to cause Bind to crash,
resulting in a denial of service.

Fixed packages 1

ReleasePackageFixed in
Ubuntu · 18.04 LTS 18.04:LTS bind9 1:9.11.3+dfsg-1ubuntu1.8

Vulnerabilities 1

  • Medium 5.9
    CVE-2019-6471

    A race condition when discarding malformed packets can cause BIND to exit with an assertion failure

    A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion failure in dispatch.c. Versions affected: BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. Also all releases of the BIND 9.13…

    ISC BIND 9 bind9 bind9 Debian Ubuntu Alpine

References

  • report
    https://ubuntu.com/security/CVE-2019-6471