USN-6676-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-6676-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6676-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-6676-1
Upstream
Related
Published
2024-03-06T09:38:49.303781Z
Modified
2025-07-16T08:57:11.665874Z
Summary
c-ares vulnerability
Details

Vojtěch Vobr discovered that c-ares incorrectly handled user input from local configuration files. An attacker could possibly use this issue to cause a denial of service via application crash.

References

Affected packages

Ubuntu:Pro:16.04:LTS / c-ares

Package

Name
c-ares
Purl
pkg:deb/ubuntu/c-ares@1.10.0-3ubuntu0.2+esm3?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.10.0-3ubuntu0.2+esm3

Affected versions

1.*

1.10.0-2
1.10.0-3
1.10.0-3ubuntu0.1
1.10.0-3ubuntu0.2
1.10.0-3ubuntu0.2+esm1
1.10.0-3ubuntu0.2+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.10.0-3ubuntu0.2+esm3",
            "binary_name": "libc-ares-dev"
        },
        {
            "binary_version": "1.10.0-3ubuntu0.2+esm3",
            "binary_name": "libc-ares2"
        },
        {
            "binary_version": "1.10.0-3ubuntu0.2+esm3",
            "binary_name": "libc-ares2-dbgsym"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:18.04:LTS / c-ares

Package

Name
c-ares
Purl
pkg:deb/ubuntu/c-ares@1.14.0-1ubuntu0.2+esm2?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.14.0-1ubuntu0.2+esm2

Affected versions

1.*

1.13.0-2
1.13.0-3
1.14.0-1
1.14.0-1ubuntu0.1
1.14.0-1ubuntu0.2
1.14.0-1ubuntu0.2+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.14.0-1ubuntu0.2+esm2",
            "binary_name": "libc-ares-dev"
        },
        {
            "binary_version": "1.14.0-1ubuntu0.2+esm2",
            "binary_name": "libc-ares2"
        },
        {
            "binary_version": "1.14.0-1ubuntu0.2+esm2",
            "binary_name": "libc-ares2-dbgsym"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:20.04:LTS / c-ares

Package

Name
c-ares
Purl
pkg:deb/ubuntu/c-ares@1.15.0-1ubuntu0.5?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.15.0-1ubuntu0.5

Affected versions

1.*

1.15.0-1build1
1.15.0-1ubuntu0.1
1.15.0-1ubuntu0.2
1.15.0-1ubuntu0.3
1.15.0-1ubuntu0.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.15.0-1ubuntu0.5",
            "binary_name": "libc-ares-dev"
        },
        {
            "binary_version": "1.15.0-1ubuntu0.5",
            "binary_name": "libc-ares2"
        },
        {
            "binary_version": "1.15.0-1ubuntu0.5",
            "binary_name": "libc-ares2-dbgsym"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:22.04:LTS / c-ares

Package

Name
c-ares
Purl
pkg:deb/ubuntu/c-ares@1.18.1-1ubuntu0.22.04.3?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.18.1-1ubuntu0.22.04.3

Affected versions

1.*

1.17.1-1ubuntu1
1.18.1-1
1.18.1-1build1
1.18.1-1ubuntu0.22.04.1
1.18.1-1ubuntu0.22.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.18.1-1ubuntu0.22.04.3",
            "binary_name": "libc-ares-dev"
        },
        {
            "binary_version": "1.18.1-1ubuntu0.22.04.3",
            "binary_name": "libc-ares2"
        },
        {
            "binary_version": "1.18.1-1ubuntu0.22.04.3",
            "binary_name": "libc-ares2-dbgsym"
        }
    ],
    "availability": "No subscription required"
}