USN-7526-1

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Source

https://ubuntu.com/security/notices/USN-7526-1

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7526-1.json

JSON Data

https://api.osv.dev/v1/vulns/USN-7526-1

Related

Published

2025-05-21T13:47:23.101403Z

Modified

2025-05-21T13:47:23.101403Z

Summary

bind9 vulnerability

Details

It was discovered that Bind incorrectly handled certain DNS messages with invalid TSIG. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:24.10 / bind9

Package

Name: bind9
Purl: pkg:deb/ubuntu/bind9@1:9.20.0-2ubuntu3.2?arch=source&distro=oracular

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:9.20.0-2ubuntu3.2

Affected versions

1:9.*

1:9.18.24-0ubuntu5

1:9.18.28-0ubuntu1

1:9.20.0-2ubuntu3

1:9.20.0-2ubuntu3.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:9.20.0-2ubuntu3.2",
            "binary_name": "bind9"
        },
        {
            "binary_version": "1:9.20.0-2ubuntu3.2",
            "binary_name": "bind9-dbgsym"
        },
        {
            "binary_version": "1:9.20.0-2ubuntu3.2",
            "binary_name": "bind9-dev"
        },
        {
            "binary_version": "1:9.20.0-2ubuntu3.2",
            "binary_name": "bind9-dnsutils"
        },
        {
            "binary_version": "1:9.20.0-2ubuntu3.2",
            "binary_name": "bind9-dnsutils-dbgsym"
        },
        {
            "binary_version": "1:9.20.0-2ubuntu3.2",
            "binary_name": "bind9-doc"
        },
        {
            "binary_version": "1:9.20.0-2ubuntu3.2",
            "binary_name": "bind9-host"
        },
        {
            "binary_version": "1:9.20.0-2ubuntu3.2",
            "binary_name": "bind9-host-dbgsym"
        },
        {
            "binary_version": "1:9.20.0-2ubuntu3.2",
            "binary_name": "bind9-libs"
        },
        {
            "binary_version": "1:9.20.0-2ubuntu3.2",
            "binary_name": "bind9-libs-dbgsym"
        },
        {
            "binary_version": "1:9.20.0-2ubuntu3.2",
            "binary_name": "bind9-utils"
        },
        {
            "binary_version": "1:9.20.0-2ubuntu3.2",
            "binary_name": "bind9-utils-dbgsym"
        },
        {
            "binary_version": "1:9.20.0-2ubuntu3.2",
            "binary_name": "bind9utils"
        },
        {
            "binary_version": "1:9.20.0-2ubuntu3.2",
            "binary_name": "dnsutils"
        }
    ]
}

Ubuntu:25.04 / bind9