USN-8321-1

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Source
https://ubuntu.com/security/notices/USN-8321-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8321-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8321-1
Upstream
Related
Published
2026-05-27T13:02:52Z
Modified
2026-06-30T18:16:29.650201919Z
Summary
papers vulnerability
Details

It was discovered that Papers incorrectly handled PDF /GoToR actions. If a user were tricked into opening a specially crafted PDF file, an attacker could use this issue to manipulate command lines and possibly execute arbitrary code.

References

Affected packages

Ubuntu:25.10 / papers

Package

Name
papers
Purl
pkg:deb/ubuntu/papers?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
48.0-1ubuntu1.25.10.4

Affected versions

48.*
48.0-1ubuntu1
48.0-1ubuntu1.25.10.1
48.0-1ubuntu1.25.10.2
48.0-1ubuntu1.25.10.3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "gir1.2-papers-4.0",
            "binary_version": "48.0-1ubuntu1.25.10.4"
        },
        {
            "binary_name": "libppsdocument-4.0-5",
            "binary_version": "48.0-1ubuntu1.25.10.4"
        },
        {
            "binary_name": "libppsview-4.0-4",
            "binary_version": "48.0-1ubuntu1.25.10.4"
        },
        {
            "binary_name": "papers",
            "binary_version": "48.0-1ubuntu1.25.10.4"
        },
        {
            "binary_name": "papers-common",
            "binary_version": "48.0-1ubuntu1.25.10.4"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-46529",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:25.10"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8321-1.json"

Ubuntu:26.04:LTS / papers

Package

Name
papers
Purl
pkg:deb/ubuntu/papers?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
50.1-0ubuntu1.1

Affected versions

48.*
48.0-1ubuntu1
49.*
49.1-1ubuntu1
49.2-1ubuntu1
49.2-3ubuntu1
Other
50~beta-0ubuntu2
50.*
50.0-0ubuntu1
50.0-0ubuntu2
50.1-0ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "gir1.2-papers-4.0",
            "binary_version": "50.1-0ubuntu1.1"
        },
        {
            "binary_name": "libppsdocument-4.0-6",
            "binary_version": "50.1-0ubuntu1.1"
        },
        {
            "binary_name": "libppsview-4.0-5",
            "binary_version": "50.1-0ubuntu1.1"
        },
        {
            "binary_name": "papers",
            "binary_version": "50.1-0ubuntu1.1"
        },
        {
            "binary_name": "papers-common",
            "binary_version": "50.1-0ubuntu1.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-46529",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:26.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8321-1.json"