USN-7527-1

Source
https://ubuntu.com/security/notices/USN-7527-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7527-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7527-1
Upstream
Related
Published
2025-05-22T06:19:23Z
Modified
2026-05-20T16:03:44.366021017Z
Summary
libfcgi-perl vulnerability
Details

It was discovered that libfcgi-perl incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash or execute arbitrary code.

References

Affected packages

Ubuntu:Pro:16.04:LTS / libfcgi-perl

Package

Name
libfcgi-perl
Purl
pkg:deb/ubuntu/libfcgi-perl?arch=source&distro=esm-apps%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.77-1ubuntu0.1~esm1

Affected versions

0.*
0.77-1
0.77-1build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "0.77-1ubuntu0.1~esm1",
            "binary_name": "libfcgi-perl"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

cves_map
{
    "cves": [],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7527-1.json"

Ubuntu:Pro:18.04:LTS / libfcgi-perl

Package

Name
libfcgi-perl
Purl
pkg:deb/ubuntu/libfcgi-perl?arch=source&distro=esm-infra%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.78-2ubuntu0.1~esm1

Affected versions

0.*
0.78-2build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "0.78-2ubuntu0.1~esm1",
            "binary_name": "libfcgi-perl"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map
{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2025-40907"
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7527-1.json"

Ubuntu:20.04:LTS / libfcgi-perl

Package

Name
libfcgi-perl
Purl
pkg:deb/ubuntu/libfcgi-perl?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.79-1ubuntu0.1

Affected versions

0.*
0.78-2build2
0.78-2build3
0.79-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "0.79-1ubuntu0.1",
            "binary_name": "libfcgi-perl"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map
{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2025-40907"
        }
    ],
    "ecosystem": "Ubuntu:20.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7527-1.json"