UBUNTU-CVE-2025-6497

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Source
https://ubuntu.com/security/CVE-2025-6497
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6497.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-6497
Upstream
Published
2025-06-23T01:15:00Z
Modified
2026-04-27T18:53:57.808724Z
Severity
  • 3.3 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • 1.9 (Low) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A vulnerability was found in HTACG tidy-html5 5.8.0. It has been rated as problematic. This issue affects the function prvTidyParseNamespace of the file src/parser.c. The manipulation leads to reachable assertion. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

References

Affected packages

Ubuntu:18.04:LTS
tidy-html5

Package

Name
tidy-html5
Purl
pkg:deb/ubuntu/tidy-html5@1:5.2.0-2?arch=source&distro=bionic

Affected ranges

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

Affected versions

1:5.*
1:5.2.0-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtidy5",
            "binary_version": "1:5.2.0-2"
        },
        {
            "binary_name": "tidy",
            "binary_version": "1:5.2.0-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6497.json"
Ubuntu:20.04:LTS
tidy-html5

Package

Name
tidy-html5
Purl
pkg:deb/ubuntu/tidy-html5@2:5.6.0-11ubuntu0.20.04.1?arch=source&distro=focal

Affected ranges

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

Affected versions

2:5.*
2:5.6.0-10
2:5.6.0-11
2:5.6.0-11ubuntu0.20.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtidy5deb1",
            "binary_version": "2:5.6.0-11ubuntu0.20.04.1"
        },
        {
            "binary_name": "tidy",
            "binary_version": "2:5.6.0-11ubuntu0.20.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6497.json"
Ubuntu:22.04:LTS
tidy-html5

Package

Name
tidy-html5
Purl
pkg:deb/ubuntu/tidy-html5@2:5.6.0-11ubuntu0.22.04.1?arch=source&distro=jammy

Affected ranges

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

Affected versions

2:5.*
2:5.6.0-11build1
2:5.6.0-11build2
2:5.6.0-11ubuntu0.22.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtidy5deb1",
            "binary_version": "2:5.6.0-11ubuntu0.22.04.1"
        },
        {
            "binary_name": "tidy",
            "binary_version": "2:5.6.0-11ubuntu0.22.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6497.json"
Ubuntu:24.04:LTS
tidy-html5

Package

Name
tidy-html5
Purl
pkg:deb/ubuntu/tidy-html5@2:5.6.0-11ubuntu2?arch=source&distro=noble

Affected ranges

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

Affected versions

2:5.*
2:5.6.0-11build2
2:5.6.0-11ubuntu1
2:5.6.0-11ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtidy5deb1",
            "binary_version": "2:5.6.0-11ubuntu2"
        },
        {
            "binary_name": "tidy",
            "binary_version": "2:5.6.0-11ubuntu2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6497.json"
Ubuntu:25.10
tidy-html5

Package

Name
tidy-html5
Purl
pkg:deb/ubuntu/tidy-html5@2:5.8.0-2?arch=source&distro=questing

Affected ranges

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

Affected versions

2:5.*
2:5.8.0-1ubuntu1
2:5.8.0-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtidy58",
            "binary_version": "2:5.8.0-2"
        },
        {
            "binary_name": "tidy",
            "binary_version": "2:5.8.0-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6497.json"
Ubuntu:26.04
tidy-html5

Package

Name
tidy-html5
Purl
pkg:deb/ubuntu/tidy-html5@2:5.8.0-2.1?arch=source&distro=resolute

Affected ranges

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

Affected versions

2:5.*
2:5.8.0-2
2:5.8.0-2.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtidy58",
            "binary_version": "2:5.8.0-2.1"
        },
        {
            "binary_name": "tidy",
            "binary_version": "2:5.8.0-2.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6497.json"