UBUNTU-CVE-2018-6797

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Source
https://ubuntu.com/security/CVE-2018-6797
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-6797.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-6797
Upstream
Downstream
Related
Published
2018-04-14T00:00:00Z
Modified
2025-09-08T16:44:46Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in Perl 5.18 through 5.26. A crafted regular expression can cause a heap-based buffer overflow, with control over the bytes written.

References

Affected packages

Ubuntu:Pro:14.04:LTS / perl

Package

Name
perl
Purl
pkg:deb/ubuntu/perl@5.18.2-2ubuntu1.7+esm5?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

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

Affected versions

5.*

5.14.2-21build1
5.18.1-4
5.18.1-4build1
5.18.1-5
5.18.2-2
5.18.2-2ubuntu1
5.18.2-2ubuntu1.1
5.18.2-2ubuntu1.3
5.18.2-2ubuntu1.4
5.18.2-2ubuntu1.6
5.18.2-2ubuntu1.7
5.18.2-2ubuntu1.7+esm3
5.18.2-2ubuntu1.7+esm4
5.18.2-2ubuntu1.7+esm5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcgi-fast-perl",
            "binary_version": "5.18.2-2ubuntu1.7+esm5"
        },
        {
            "binary_name": "libperl-dev",
            "binary_version": "5.18.2-2ubuntu1.7+esm5"
        },
        {
            "binary_name": "libperl5.18",
            "binary_version": "5.18.2-2ubuntu1.7+esm5"
        },
        {
            "binary_name": "perl",
            "binary_version": "5.18.2-2ubuntu1.7+esm5"
        },
        {
            "binary_name": "perl-base",
            "binary_version": "5.18.2-2ubuntu1.7+esm5"
        },
        {
            "binary_name": "perl-debug",
            "binary_version": "5.18.2-2ubuntu1.7+esm5"
        },
        {
            "binary_name": "perl-modules",
            "binary_version": "5.18.2-2ubuntu1.7+esm5"
        }
    ]
}

Ubuntu:16.04:LTS / perl

Package

Name
perl
Purl
pkg:deb/ubuntu/perl@5.22.1-9ubuntu0.3?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.22.1-9ubuntu0.3

Affected versions

5.*

5.20.2-6
5.22.1-3
5.22.1-4
5.22.1-5
5.22.1-7
5.22.1-8
5.22.1-9
5.22.1-9ubuntu0.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libperl-dev",
            "binary_version": "5.22.1-9ubuntu0.3"
        },
        {
            "binary_name": "libperl5.22",
            "binary_version": "5.22.1-9ubuntu0.3"
        },
        {
            "binary_name": "perl",
            "binary_version": "5.22.1-9ubuntu0.3"
        },
        {
            "binary_name": "perl-base",
            "binary_version": "5.22.1-9ubuntu0.3"
        },
        {
            "binary_name": "perl-debug",
            "binary_version": "5.22.1-9ubuntu0.3"
        },
        {
            "binary_name": "perl-modules-5.22",
            "binary_version": "5.22.1-9ubuntu0.3"
        }
    ]
}