USN-7477-1

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Source

https://ubuntu.com/security/notices/USN-7477-1

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7477-1.json

JSON Data

https://api.osv.dev/v1/vulns/USN-7477-1

Related

Published

2025-05-05T11:49:28.413293Z

Modified

2025-05-05T11:49:28.413293Z

Summary

c-ares vulnerability

Details

It was discovered that c-ares incorrectly handled re-enqueuing certain queries. A remote attacker could possibly use this issue to cause c-ares to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:24.10 / c-ares

Package

Name: c-ares
Purl: pkg:deb/ubuntu/c-ares@1.33.0-1ubuntu0.1?arch=source&distro=oracular

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.33.0-1ubuntu0.1

Affected versions

1.*

1.27.0-1.0ubuntu1

1.31.0-1

1.32.2-1

1.32.2-2

1.32.3-1

1.33.0-1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.33.0-1ubuntu0.1",
            "binary_name": "libc-ares-dev"
        },
        {
            "binary_version": "1.33.0-1ubuntu0.1",
            "binary_name": "libcares2"
        },
        {
            "binary_version": "1.33.0-1ubuntu0.1",
            "binary_name": "libcares2-dbgsym"
        }
    ]
}

Ubuntu:25.04 / c-ares

Package

Name: c-ares
Purl: pkg:deb/ubuntu/c-ares@1.34.4-2.1ubuntu0.1?arch=source&distro=plucky

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.34.4-2.1ubuntu0.1

Affected versions

1.*

1.33.0-1

1.34.2-1

1.34.3-1

1.34.4-1

1.34.4-2.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.34.4-2.1ubuntu0.1",
            "binary_name": "libc-ares-dev"
        },
        {
            "binary_version": "1.34.4-2.1ubuntu0.1",
            "binary_name": "libc-ares2"
        },
        {
            "binary_version": "1.34.4-2.1ubuntu0.1",
            "binary_name": "libcares2"
        },
        {
            "binary_version": "1.34.4-2.1ubuntu0.1",
            "binary_name": "libcares2-dbgsym"
        }
    ]
}