UBUNTU-CVE-2026-4176
- Source
- https://ubuntu.com/security/CVE-2026-4176
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4176.json
- JSON Data
- https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-4176
- Upstream
- Published
- 2026-03-29T21:16:00Z
- Modified
- 2026-09-08T19:45:15Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Ubuntu - medium
- Summary
- [none]
- Details
-
Perl versions from 5.9.4 before 5.40.4-RC1, from 5.41.0 before 5.42.2-RC1, from 5.43.0 before 5.43.9 contain a vulnerable version of Compress::Raw::Zlib. Compress::Raw::Zlib is included in the Perl package as a dual-life core module, and is vulnerable to CVE-2026-3381 due to a vendored version of zlib which has several vulnerabilities, including CVE-2026-27171. The bundled Compress::Raw::Zlib was updated to version 2.221 in Perl blead commit c75ae9cc164205e1b6d6dbd57bd2c65c8593fe94.
- References
-
- https://ubuntu.com/security/CVE-2026-4176
- https://www.cve.org/CVERecord?id=CVE-2026-4176
- https://lists.security.metacpan.org/cve-announce/msg/38393284/
- https://github.com/Perl/perl5/commit/c75ae9cc164205e1b6d6dbd57bd2c65c8593fe94
- https://lists.security.metacpan.org/cve-announce/msg/37638919/
- https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes
- https://metacpan.org/release/SHAY/perl-5.40.4/changes
- https://metacpan.org/release/SHAY/perl-5.42.2/changes
- https://www.cve.org/CVERecord?id=CVE-2026-3381
- http://www.openwall.com/lists/oss-security/2026/03/30/2
Affected packages
Ubuntu:Pro:14.04:LTS / perl
Package
- Name
- perl
- Purl
- pkg:deb/ubuntu/perl?arch=source&distro=esm-infra-legacy%2Ftrusty
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown 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
5.18.2-2ubuntu1.7+esm7
5.18.2-2ubuntu1.7+esm8
5.18.2-2ubuntu1.7+esm9
Ecosystem specific
{
"binaries": [
{
"binary_name": "libcgi-fast-perl",
"binary_version": "5.18.2-2ubuntu1.7+esm9"
},
{
"binary_name": "libperl5.18",
"binary_version": "5.18.2-2ubuntu1.7+esm9"
},
{
"binary_name": "perl",
"binary_version": "5.18.2-2ubuntu1.7+esm9"
},
{
"binary_name": "perl-base",
"binary_version": "5.18.2-2ubuntu1.7+esm9"
},
{
"binary_name": "perl-debug",
"binary_version": "5.18.2-2ubuntu1.7+esm9"
},
{
"binary_name": "perl-modules",
"binary_version": "5.18.2-2ubuntu1.7+esm9"
}
]
}
Ubuntu:Pro:16.04:LTS / perl
Package
- Name
- perl
- Purl
- pkg:deb/ubuntu/perl?arch=source&distro=esm-infra-legacy%2Fxenial
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
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
5.22.1-9ubuntu0.3
5.22.1-9ubuntu0.5
5.22.1-9ubuntu0.6
5.22.1-9ubuntu0.9
5.22.1-9ubuntu0.9+esm1
5.22.1-9ubuntu0.9+esm2
5.22.1-9ubuntu0.9+esm3
5.22.1-9ubuntu0.9+esm4
Ecosystem specific
{
"binaries": [
{
"binary_name": "libperl5.22",
"binary_version": "5.22.1-9ubuntu0.9+esm4"
},
{
"binary_name": "perl",
"binary_version": "5.22.1-9ubuntu0.9+esm4"
},
{
"binary_name": "perl-base",
"binary_version": "5.22.1-9ubuntu0.9+esm4"
},
{
"binary_name": "perl-debug",
"binary_version": "5.22.1-9ubuntu0.9+esm4"
},
{
"binary_name": "perl-modules-5.22",
"binary_version": "5.22.1-9ubuntu0.9+esm4"
}
]
}
Ubuntu:Pro:18.04:LTS / perl
Package
- Name
- perl
- Purl
- pkg:deb/ubuntu/perl?arch=source&distro=esm-infra%2Fbionic
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Affected versions
5.*
5.26.0-8ubuntu1
5.26.1-2ubuntu1
5.26.1-3
5.26.1-4
5.26.1-4build1
5.26.1-5
5.26.1-6
5.26.1-6ubuntu0.1
5.26.1-6ubuntu0.2
5.26.1-6ubuntu0.3
5.26.1-6ubuntu0.5
5.26.1-6ubuntu0.6
5.26.1-6ubuntu0.7
5.26.1-6ubuntu0.7+esm2
5.26.1-6ubuntu0.7+esm3
5.26.1-6ubuntu0.7+esm4
Ecosystem specific
{
"binaries": [
{
"binary_name": "libperl5.26",
"binary_version": "5.26.1-6ubuntu0.7+esm4"
},
{
"binary_name": "perl",
"binary_version": "5.26.1-6ubuntu0.7+esm4"
},
{
"binary_name": "perl-base",
"binary_version": "5.26.1-6ubuntu0.7+esm4"
},
{
"binary_name": "perl-debug",
"binary_version": "5.26.1-6ubuntu0.7+esm4"
},
{
"binary_name": "perl-modules-5.26",
"binary_version": "5.26.1-6ubuntu0.7+esm4"
}
]
}
Ubuntu:Pro:20.04:LTS / perl
Package
- Name
- perl
- Purl
- pkg:deb/ubuntu/perl?arch=source&distro=esm-infra%2Ffocal
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Affected versions
5.*
5.28.1-6build1
5.30.0-7
5.30.0-9
5.30.0-9build1
5.30.0-9ubuntu0.2
5.30.0-9ubuntu0.3
5.30.0-9ubuntu0.4
5.30.0-9ubuntu0.5
5.30.0-9ubuntu0.5+esm2
5.30.0-9ubuntu0.5+esm3
5.30.0-9ubuntu0.5+esm4
Ecosystem specific
{
"binaries": [
{
"binary_name": "libperl5.30",
"binary_version": "5.30.0-9ubuntu0.5+esm4"
},
{
"binary_name": "perl",
"binary_version": "5.30.0-9ubuntu0.5+esm4"
},
{
"binary_name": "perl-base",
"binary_version": "5.30.0-9ubuntu0.5+esm4"
},
{
"binary_name": "perl-debug",
"binary_version": "5.30.0-9ubuntu0.5+esm4"
},
{
"binary_name": "perl-modules-5.30",
"binary_version": "5.30.0-9ubuntu0.5+esm4"
}
]
}