UBUNTU-CVE-2026-58101

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Source
https://ubuntu.com/security/CVE-2026-58101
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-58101.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-58101
Upstream
Published
2026-07-13T23:16:00Z
Modified
2026-07-15T19:45:53.992439617Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Crypt::OpenSSL::X509 versions before 2.1.3 for Perl allow denial of service via NULL pointer dereference. X509V3EXTd2i(ext) returns NULL when an extension's DER value fails to parse. basicC, ia5string, and authatt dereference its result without a NULL check. keyiddata also dereferences akid->keyid, which is NULL for an empty AKI SEQUENCE (DER 30 00) even when the parse succeeds. A caller invoking an affected helper on an extension from an untrusted certificate triggers a SIGSEGV that crashes the Perl process.

References

Affected packages

Ubuntu:16.04:LTS
libcrypt-openssl-x509-perl

Package

Name
libcrypt-openssl-x509-perl
Purl
pkg:deb/ubuntu/libcrypt-openssl-x509-perl?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.8.6-1
1.8.6-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.8.6-1build1",
            "binary_name": "libcrypt-openssl-x509-perl"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-58101.json"
Ubuntu:18.04:LTS
libcrypt-openssl-x509-perl

Package

Name
libcrypt-openssl-x509-perl
Purl
pkg:deb/ubuntu/libcrypt-openssl-x509-perl?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.8.7-3build1
1.8.8-1
1.8.8-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.8.8-1build1",
            "binary_name": "libcrypt-openssl-x509-perl"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-58101.json"
Ubuntu:20.04:LTS
libcrypt-openssl-x509-perl

Package

Name
libcrypt-openssl-x509-perl
Purl
pkg:deb/ubuntu/libcrypt-openssl-x509-perl?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.8.12-1
1.8.12-1build1
1.8.13-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.8.13-1",
            "binary_name": "libcrypt-openssl-x509-perl"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-58101.json"
Ubuntu:22.04:LTS
libcrypt-openssl-x509-perl

Package

Name
libcrypt-openssl-x509-perl
Purl
pkg:deb/ubuntu/libcrypt-openssl-x509-perl?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.9.02-1
1.9.10-1
1.9.10-1build1
1.9.12-1
1.9.12-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.9.12-1build1",
            "binary_name": "libcrypt-openssl-x509-perl"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-58101.json"
Ubuntu:24.04:LTS
libcrypt-openssl-x509-perl

Package

Name
libcrypt-openssl-x509-perl
Purl
pkg:deb/ubuntu/libcrypt-openssl-x509-perl?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.9.14-2
1.9.15-1
1.9.15-1build1
1.9.15-1build3
1.9.15-1build4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.9.15-1build4",
            "binary_name": "libcrypt-openssl-x509-perl"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-58101.json"
Ubuntu:26.04:LTS
libcrypt-openssl-x509-perl

Package

Name
libcrypt-openssl-x509-perl
Purl
pkg:deb/ubuntu/libcrypt-openssl-x509-perl?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.0.1-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.0.1-1build1",
            "binary_name": "libcrypt-openssl-x509-perl"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-58101.json"