USN-8684-1

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Source
https://ubuntu.com/security/notices/USN-8684-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8684-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8684-1
Upstream
Related
Published
2026-08-27T11:10:17Z
Modified
2026-08-31T17:26:26.312880608Z
Summary
perl vulnerabilities
Details

It was discovered that Perl incorrectly handled certain arguments to Socket and pack/unpack functions. An attacker could possibly use this issue to read sensitive information from memory. (CVE-2026-12087, CVE-2026-57432)

It was discovered that Perl incorrectly handled regular expressions with a large number of alternation branches. An attacker could possibly use this issue to cause incorrect matching results. (CVE-2026-13221)

It was discovered that Perl incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-57433, CVE-2025-15649, CVE-2026-48959, CVE-2026-9538)

It was discovered that Perl incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2026-48962)

It was discovered that Perl incorrectly handled credential headers during cross-origin redirects in HTTP::Tiny. An attacker could possibly use this issue to expose sensitive information. (CVE-2026-7017)

References

Affected packages

Ubuntu:24.04:LTS / perl

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.38.2-3.2ubuntu0.4

Affected versions

5.*
5.36.0-9ubuntu1
5.36.0-10ubuntu1
5.38.2-3
5.38.2-3.2
5.38.2-3.2build1
5.38.2-3.2build2
5.38.2-3.2build2.1
5.38.2-3.2ubuntu0.1
5.38.2-3.2ubuntu0.2
5.38.2-3.2ubuntu0.3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "5.38.2-3.2ubuntu0.4",
            "binary_name": "libperl5.38t64"
        },
        {
            "binary_version": "5.38.2-3.2ubuntu0.4",
            "binary_name": "perl"
        },
        {
            "binary_version": "5.38.2-3.2ubuntu0.4",
            "binary_name": "perl-base"
        },
        {
            "binary_version": "5.38.2-3.2ubuntu0.4",
            "binary_name": "perl-debug"
        },
        {
            "binary_version": "5.38.2-3.2ubuntu0.4",
            "binary_name": "perl-modules-5.38"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8684-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": [
        {
            "id": "CVE-2025-15649",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-7017",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-9538",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-12087",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-13221",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-48959",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-48962",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-57432",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-57433",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}