USN-8377-1

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Source
https://ubuntu.com/security/notices/USN-8377-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8377-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-8377-1
Upstream
Related
Published
2026-06-03T13:24:32Z
Modified
2026-06-03T22:18:08.564087047Z
Summary
libtemplate-perl vulnerability
Details

It was discovered that Template-Toolkit did not properly escape single quotes in the html_filter function of Template::Plugin::HTML. An attacker could possibly use this issue to inject arbitrary HTML and JavaScript into generated output.

References

Affected packages

Ubuntu:22.04:LTS / libtemplate-perl

Package

Name
libtemplate-perl
Purl
pkg:deb/ubuntu/libtemplate-perl?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.27-1ubuntu0.22.04.1

Affected versions

2.*
2.27-1build4
2.27-1build5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.27-1ubuntu0.22.04.1",
            "binary_name": "libtemplate-perl"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-5090",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8377-1.json"

Ubuntu:24.04:LTS / libtemplate-perl

Package

Name
libtemplate-perl
Purl
pkg:deb/ubuntu/libtemplate-perl?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.27-1ubuntu0.24.04.1

Affected versions

2.*
2.27-1build7
2.27-1build8
2.27-1build9
2.27-1build10

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.27-1ubuntu0.24.04.1",
            "binary_name": "libtemplate-perl"
        }
    ]
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-5090",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8377-1.json"

Ubuntu:25.10 / libtemplate-perl

Package

Name
libtemplate-perl
Purl
pkg:deb/ubuntu/libtemplate-perl?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.27-1ubuntu0.25.10.1

Affected versions

2.*
2.27-1build11

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.27-1ubuntu0.25.10.1",
            "binary_name": "libtemplate-perl"
        }
    ]
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:25.10",
    "cves": [
        {
            "id": "CVE-2026-5090",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8377-1.json"

Ubuntu:26.04:LTS / libtemplate-perl

Package

Name
libtemplate-perl
Purl
pkg:deb/ubuntu/libtemplate-perl?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.102-1ubuntu0.1

Affected versions

2.*
2.27-1build11
3.*
3.102-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.102-1ubuntu0.1",
            "binary_name": "libtemplate-perl"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:26.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-5090",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8377-1.json"