UBUNTU-CVE-2025-6395

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Source
https://ubuntu.com/security/CVE-2025-6395
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6395.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-6395
Upstream
Downstream
Related
Published
2025-07-10T16:15:00Z
Modified
2025-10-30T05:19:17Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A NULL pointer dereference flaw was found in the GnuTLS software in gnutlsfigurecommonciphersuite().

References

Affected packages

Ubuntu:22.04:LTS

gnutls28

Package

Name
gnutls28
Purl
pkg:deb/ubuntu/gnutls28@3.7.3-4ubuntu1.7?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.7.3-4ubuntu1.7

Affected versions

3.*

3.7.1-5ubuntu1
3.7.2-2ubuntu1
3.7.2-4ubuntu1
3.7.2-5ubuntu1
3.7.3-4ubuntu1
3.7.3-4ubuntu1.1
3.7.3-4ubuntu1.2
3.7.3-4ubuntu1.3
3.7.3-4ubuntu1.4
3.7.3-4ubuntu1.5
3.7.3-4ubuntu1.6

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "3.7.3-4ubuntu1.7",
            "binary_name": "gnutls-bin"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.7",
            "binary_name": "guile-gnutls"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.7",
            "binary_name": "libgnutls-dane0"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.7",
            "binary_name": "libgnutls-openssl27"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.7",
            "binary_name": "libgnutls28-dev"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.7",
            "binary_name": "libgnutls30"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.7",
            "binary_name": "libgnutlsxx28"
        }
    ]
}

Ubuntu:24.04:LTS

gnutls28

Package

Name
gnutls28
Purl
pkg:deb/ubuntu/gnutls28@3.8.3-1.1ubuntu3.4?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.8.3-1.1ubuntu3.4

Affected versions

3.*

3.8.1-4ubuntu1
3.8.1-4ubuntu6
3.8.1-4ubuntu7
3.8.3-1ubuntu1
3.8.3-1.1ubuntu2
3.8.3-1.1ubuntu3
3.8.3-1.1ubuntu3.1
3.8.3-1.1ubuntu3.2
3.8.3-1.1ubuntu3.3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "3.8.3-1.1ubuntu3.4",
            "binary_name": "gnutls-bin"
        },
        {
            "binary_version": "3.8.3-1.1ubuntu3.4",
            "binary_name": "libgnutls-dane0t64"
        },
        {
            "binary_version": "3.8.3-1.1ubuntu3.4",
            "binary_name": "libgnutls-openssl27t64"
        },
        {
            "binary_version": "3.8.3-1.1ubuntu3.4",
            "binary_name": "libgnutls28-dev"
        },
        {
            "binary_version": "3.8.3-1.1ubuntu3.4",
            "binary_name": "libgnutls30t64"
        }
    ]
}

Ubuntu:25.04

gnutls28

Package

Name
gnutls28
Purl
pkg:deb/ubuntu/gnutls28@3.8.9-2ubuntu3.1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.8.9-2ubuntu3.1

Affected versions

3.*

3.8.6-2ubuntu1
3.8.8-2ubuntu1
3.8.9-2ubuntu1
3.8.9-2ubuntu2
3.8.9-2ubuntu3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "3.8.9-2ubuntu3.1",
            "binary_name": "gnutls-bin"
        },
        {
            "binary_version": "3.8.9-2ubuntu3.1",
            "binary_name": "libgnutls-dane0t64"
        },
        {
            "binary_version": "3.8.9-2ubuntu3.1",
            "binary_name": "libgnutls-openssl27t64"
        },
        {
            "binary_version": "3.8.9-2ubuntu3.1",
            "binary_name": "libgnutls28-dev"
        },
        {
            "binary_version": "3.8.9-2ubuntu3.1",
            "binary_name": "libgnutls30t64"
        }
    ]
}

Ubuntu:25.10

gnutls28

Package

Name
gnutls28
Purl
pkg:deb/ubuntu/gnutls28@3.8.9-3ubuntu1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.8.9-3ubuntu1

Affected versions

3.*

3.8.9-2ubuntu3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "3.8.9-3ubuntu1",
            "binary_name": "gnutls-bin"
        },
        {
            "binary_version": "3.8.9-3ubuntu1",
            "binary_name": "libgnutls-dane0t64"
        },
        {
            "binary_version": "3.8.9-3ubuntu1",
            "binary_name": "libgnutls-openssl27t64"
        },
        {
            "binary_version": "3.8.9-3ubuntu1",
            "binary_name": "libgnutls28-dev"
        },
        {
            "binary_version": "3.8.9-3ubuntu1",
            "binary_name": "libgnutls30t64"
        }
    ]
}

Ubuntu:Pro:20.04:LTS

gnutls28

Package

Name
gnutls28
Purl
pkg:deb/ubuntu/gnutls28@3.6.13-2ubuntu1.12+esm1?arch=source&distro=esm-infra/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.6.13-2ubuntu1.12+esm1

Affected versions

3.*

3.6.9-5ubuntu1
3.6.9-5ubuntu2
3.6.10-5
3.6.11.1-2
3.6.11.1-2ubuntu2
3.6.13-2ubuntu1
3.6.13-2ubuntu1.1
3.6.13-2ubuntu1.2
3.6.13-2ubuntu1.3
3.6.13-2ubuntu1.6
3.6.13-2ubuntu1.7
3.6.13-2ubuntu1.8
3.6.13-2ubuntu1.9
3.6.13-2ubuntu1.10
3.6.13-2ubuntu1.11
3.6.13-2ubuntu1.12

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "3.6.13-2ubuntu1.12+esm1",
            "binary_name": "gnutls-bin"
        },
        {
            "binary_version": "3.6.13-2ubuntu1.12+esm1",
            "binary_name": "guile-gnutls"
        },
        {
            "binary_version": "3.6.13-2ubuntu1.12+esm1",
            "binary_name": "libgnutls-dane0"
        },
        {
            "binary_version": "3.6.13-2ubuntu1.12+esm1",
            "binary_name": "libgnutls-openssl27"
        },
        {
            "binary_version": "3.6.13-2ubuntu1.12+esm1",
            "binary_name": "libgnutls28-dev"
        },
        {
            "binary_version": "3.6.13-2ubuntu1.12+esm1",
            "binary_name": "libgnutls30"
        },
        {
            "binary_version": "3.6.13-2ubuntu1.12+esm1",
            "binary_name": "libgnutlsxx28"
        }
    ]
}

Ubuntu:Pro:FIPS-preview:22.04:LTS

gnutls28

Package

Name
gnutls28
Purl
pkg:deb/ubuntu/gnutls28@3.7.3-4ubuntu1.2+Fips1.1?arch=source&distro=fips-preview/jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.7.3-4ubuntu1.2+Fips1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.7.3-4ubuntu1.2+Fips1.1",
            "binary_name": "gnutls-bin"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.2+Fips1.1",
            "binary_name": "guile-gnutls"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.2+Fips1.1",
            "binary_name": "libgnutls-dane0"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.2+Fips1.1",
            "binary_name": "libgnutls-openssl27"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.2+Fips1.1",
            "binary_name": "libgnutls28-dev"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.2+Fips1.1",
            "binary_name": "libgnutls30"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.2+Fips1.1",
            "binary_name": "libgnutlsxx28"
        }
    ]
}

Ubuntu:Pro:FIPS-updates:22.04:LTS

gnutls28

Package

Name
gnutls28
Purl
pkg:deb/ubuntu/gnutls28@3.7.3-4ubuntu1.7+Fips1?arch=source&distro=fips-updates/jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.7.3-4ubuntu1.7+Fips1

Affected versions

3.*

3.7.3-4ubuntu1.2+Fips1.1
3.7.3-4ubuntu1.3+Fips1.1
3.7.3-4ubuntu1.4+Fips1
3.7.3-4ubuntu1.5+Fips1
3.7.3-4ubuntu1.6+Fips1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "3.7.3-4ubuntu1.7+Fips1",
            "binary_name": "gnutls-bin"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.7+Fips1",
            "binary_name": "guile-gnutls"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.7+Fips1",
            "binary_name": "libgnutls-dane0"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.7+Fips1",
            "binary_name": "libgnutls-openssl27"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.7+Fips1",
            "binary_name": "libgnutls28-dev"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.7+Fips1",
            "binary_name": "libgnutls30"
        },
        {
            "binary_version": "3.7.3-4ubuntu1.7+Fips1",
            "binary_name": "libgnutlsxx28"
        }
    ]
}

Ubuntu:Pro:FIPS-updates:24.04:LTS

gnutls28

Package

Name
gnutls28
Purl
pkg:deb/ubuntu/gnutls28@3.8.3-1.1ubuntu3.4+Fips1?arch=source&distro=fips-updates/noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.8.3-1.1ubuntu3.4+Fips1

Affected versions

3.*

3.8.3-1.1ubuntu3.1+Fips1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "3.8.3-1.1ubuntu3.4+Fips1",
            "binary_name": "gnutls-bin"
        },
        {
            "binary_version": "3.8.3-1.1ubuntu3.4+Fips1",
            "binary_name": "libgnutls-dane0t64"
        },
        {
            "binary_version": "3.8.3-1.1ubuntu3.4+Fips1",
            "binary_name": "libgnutls-openssl27t64"
        },
        {
            "binary_version": "3.8.3-1.1ubuntu3.4+Fips1",
            "binary_name": "libgnutls28-dev"
        },
        {
            "binary_version": "3.8.3-1.1ubuntu3.4+Fips1",
            "binary_name": "libgnutls30t64"
        }
    ]
}