USN-8902-1

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Source
https://ubuntu.com/security/notices/USN-8902-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8902-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8902-1
Upstream
Related
Published
2026-10-08T13:14:05Z
Modified
2026-10-09T01:57:56Z
Summary
libarchive vulnerability
Details

It was discovered that libarchive had a signed integer overflow in its ZIP writer when handling encrypted entries with sizes near the maximum value. An attacker could possibly use this issue to cause libarchive to crash or execute arbitrary code.

References

Affected packages

Ubuntu:22.04:LTS / libarchive

Package

Name
libarchive
Purl
pkg:deb/ubuntu/libarchive?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.6.0-1ubuntu1.9

Affected versions

3.*
3.4.3-2
3.4.3-2build1
3.5.2-1
3.5.2-1ubuntu1
3.6.0-1ubuntu1
3.6.0-1ubuntu1.1
3.6.0-1ubuntu1.2
3.6.0-1ubuntu1.3
3.6.0-1ubuntu1.4
3.6.0-1ubuntu1.5
3.6.0-1ubuntu1.6
3.6.0-1ubuntu1.7
3.6.0-1ubuntu1.8

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libarchive-tools",
            "binary_version": "3.6.0-1ubuntu1.9"
        },
        {
            "binary_name": "libarchive13",
            "binary_version": "3.6.0-1ubuntu1.9"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-16517",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8902-1.json"

Ubuntu:24.04:LTS / libarchive

Package

Name
libarchive
Purl
pkg:deb/ubuntu/libarchive?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.7.2-2ubuntu0.9

Affected versions

3.*
3.6.2-1ubuntu1
3.7.2-1ubuntu1
3.7.2-1ubuntu2
3.7.2-1.1ubuntu2
3.7.2-2
3.7.2-2ubuntu0.1
3.7.2-2ubuntu0.2
3.7.2-2ubuntu0.3
3.7.2-2ubuntu0.4
3.7.2-2ubuntu0.5
3.7.2-2ubuntu0.6
3.7.2-2ubuntu0.7
3.7.2-2ubuntu0.8

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libarchive-tools",
            "binary_version": "3.7.2-2ubuntu0.9"
        },
        {
            "binary_name": "libarchive13t64",
            "binary_version": "3.7.2-2ubuntu0.9"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-16517",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8902-1.json"

Ubuntu:26.04:LTS / libarchive

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.8.5-1ubuntu2.3

Affected versions

3.*
3.7.7-0ubuntu3
3.8.5-1ubuntu1
3.8.5-1ubuntu2
3.8.5-1ubuntu2.1
3.8.5-1ubuntu2.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libarchive-tools",
            "binary_version": "3.8.5-1ubuntu2.3"
        },
        {
            "binary_name": "libarchive13t64",
            "binary_version": "3.8.5-1ubuntu2.3"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-16517",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
                    "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-8902-1.json"