CVE catalog
CVE-2020-16156
perl: CVE-2020-16156
- Severity
- High · CVSS 8.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.86% · Oct 25, 2026
CPAN 2.28 allows Signature Verification Bypass.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | perl | sid | 5.42.3-1 | fixed |
| Debian | perl | forky | 5.42.3-1 | fixed |
| Debian | perl | trixie | 5.40.1-6+deb13u1 | fixed |
| Debian | perl | bookworm | 5.36.0-7+deb12u3 | fixed |
| Debian | perl | bookworm-security | 5.36.0-7+deb12u4 | fixed |
| Ubuntu | perl | pro | 5.20.2-6 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-3 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-4 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-5 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-7 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-8 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-9 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-9ubuntu0.2 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-9ubuntu0.3 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-9ubuntu0.5 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-9ubuntu0.6 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-9ubuntu0.9 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-9ubuntu0.9+esm1 | fixed |
| Ubuntu | perl | 18.04 | 5.26.0-8ubuntu1 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-2ubuntu1 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-3 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-4 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-4build1 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-5 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-6 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-6ubuntu0.1 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-6ubuntu0.2 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-6ubuntu0.3 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-6ubuntu0.5 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-6ubuntu0.6 | fixed |
| Ubuntu | perl | 20.04 | 5.28.1-6build1 | vulnerable |
| Ubuntu | perl | 20.04 | 5.30.0-7 | vulnerable |
| Ubuntu | perl | 20.04 | 5.30.0-9 | vulnerable |
| Ubuntu | perl | 20.04 | 5.30.0-9build1 | vulnerable |
| Ubuntu | perl | 20.04 | 5.30.0-9ubuntu0.2 | vulnerable |
| Ubuntu | perl | 20.04 | 5.30.0-9ubuntu0.3 | fixed |
| Ubuntu | perl | 22.04 | 5.32.1-3ubuntu3 | vulnerable |
| Ubuntu | perl | 22.04 | 5.34.0-3ubuntu1 | vulnerable |
| Ubuntu | perl | 22.04 | 5.34.0-3ubuntu1.1 | fixed |
| Ubuntu | perl | pro | 5.20.2-6 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-3 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-4 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-5 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-7 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-8 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-9 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-9ubuntu0.2 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-9ubuntu0.3 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-9ubuntu0.5 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-9ubuntu0.6 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-9ubuntu0.9 | vulnerable |
| Ubuntu | perl | pro | 5.22.1-9ubuntu0.9+esm1 | fixed |
| Ubuntu | perl | 18.04 | 5.26.0-8ubuntu1 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-2ubuntu1 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-3 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-4 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-4build1 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-5 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-6 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-6ubuntu0.1 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-6ubuntu0.2 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-6ubuntu0.3 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-6ubuntu0.5 | vulnerable |
| Ubuntu | perl | 18.04 | 5.26.1-6ubuntu0.6 | fixed |
| Ubuntu | perl | 20.04 | 5.28.1-6build1 | vulnerable |
| Ubuntu | perl | 20.04 | 5.30.0-7 | vulnerable |
| Ubuntu | perl | 20.04 | 5.30.0-9 | vulnerable |
| Ubuntu | perl | 20.04 | 5.30.0-9build1 | vulnerable |
| Ubuntu | perl | 20.04 | 5.30.0-9ubuntu0.2 | vulnerable |
| Ubuntu | perl | 20.04 | 5.30.0-9ubuntu0.3 | fixed |
| Ubuntu | perl | 22.04 | 5.32.1-3ubuntu3 | vulnerable |
| Ubuntu | perl | 22.04 | 5.34.0-3ubuntu1 | vulnerable |
| Ubuntu | perl | 22.04 | 5.34.0-3ubuntu1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | perl | source | sid | 5.36.0-4 | not yet assigned | Not reported | [1015985] |
| Debian | perl | source | forky | 5.36.0-4 | not yet assigned | Not reported | [1015985] |
| Debian | perl | source | trixie | 5.36.0-4 | not yet assigned | Not reported | [1015985] |
| Debian | perl | source | bookworm | 5.36.0-4 | not yet assigned | Not reported | [1015985] |
| Ubuntu | perl | deb | pro | 5.22.1-9ubuntu0.9+esm1 | Not reported | USN-5689-1 | Not reported |
| Ubuntu | perl | deb | 18.04 | 5.26.1-6ubuntu0.6 | Not reported | USN-5689-1 | Not reported |
| Ubuntu | perl | deb | 20.04 | 5.30.0-9ubuntu0.3 | Not reported | USN-5689-1 | Not reported |
| Ubuntu | perl | deb | 22.04 | 5.34.0-3ubuntu1.1 | Not reported | USN-5689-1 | Not reported |
| Ubuntu | perl | deb | pro | 5.22.1-9ubuntu0.9+esm1 | Not reported | UBUNTU-CVE-2020-16156 | Not reported |
| Ubuntu | perl | deb | 18.04 | 5.26.1-6ubuntu0.6 | Not reported | UBUNTU-CVE-2020-16156 | Not reported |
| Ubuntu | perl | deb | 20.04 | 5.30.0-9ubuntu0.3 | Not reported | UBUNTU-CVE-2020-16156 | Not reported |
| Ubuntu | perl | deb | 22.04 | 5.34.0-3ubuntu1.1 | Not reported | UBUNTU-CVE-2020-16156 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libperl5.36]Fixed
Source package: [perl]
Details (4)
5.36.0-7+deb12u3· amd64 · bookwormFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u3· arm64 · bookwormFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· amd64 · bookworm-securityFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· arm64 · bookworm-securityFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
- [libperl-dev]Fixed
Source package: [perl]
Details (4)
5.36.0-7+deb12u3· amd64 · bookwormFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u3· arm64 · bookwormFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· amd64 · bookworm-securityFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· arm64 · bookworm-securityFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
- [perl]Fixed
Details (4)
5.36.0-7+deb12u3· amd64 · bookwormFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u3· arm64 · bookwormFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· amd64 · bookworm-securityFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· arm64 · bookworm-securityFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
- [perl-base]Fixed
Source package: [perl]
Details (4)
5.36.0-7+deb12u3· amd64 · bookwormFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u3· arm64 · bookwormFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· amd64 · bookworm-securityFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· arm64 · bookworm-securityFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
- [perl-debug]Fixed
Source package: [perl]
Details (4)
5.36.0-7+deb12u3· amd64 · bookwormFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u3· arm64 · bookwormFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· amd64 · bookworm-securityFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· arm64 · bookworm-securityFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
- [perl-doc]Fixed
Source package: [perl]
Details (4)
5.36.0-7+deb12u3· all · bookwormFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u3· all · bookwormFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· all · bookworm-securityFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· all · bookworm-securityFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
- [perl-modules-5.36]Fixed
Source package: [perl]
Details (4)
5.36.0-7+deb12u3· all · bookwormFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u3· all · bookwormFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· all · bookworm-securityFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· all · bookworm-securityFixed · Fixed:
5.36.0-4dsa · perl · debian · bookworm; dsa · perl · debian · 12
[Debian 13 (Trixie)]
- [libperl5.40]Fixed
Source package: [perl]
Details (2)
5.40.1-6· amd64 · trixieFixed · Fixed:
5.36.0-4dsa · perl · debian · 13
5.40.1-6· arm64 · trixieFixed · Fixed:
5.36.0-4dsa · perl · debian · 13
- [libperl-dev]Fixed
Source package: [perl]
Details (2)
5.40.1-6· amd64 · trixieFixed · Fixed:
5.36.0-4dsa · perl · debian · 13
5.40.1-6· arm64 · trixieFixed · Fixed:
5.36.0-4dsa · perl · debian · 13
- [perl]Fixed
Details (2)
5.40.1-6· amd64 · trixieFixed · Fixed:
5.36.0-4dsa · perl · debian · 13
5.40.1-6· arm64 · trixieFixed · Fixed:
5.36.0-4dsa · perl · debian · 13
- [perl-base]Fixed
Source package: [perl]
Details (2)
5.40.1-6· amd64 · trixieFixed · Fixed:
5.36.0-4dsa · perl · debian · 13
5.40.1-6· arm64 · trixieFixed · Fixed:
5.36.0-4dsa · perl · debian · 13
- [perl-debug]Fixed
Source package: [perl]
Details (2)
5.40.1-6· amd64 · trixieFixed · Fixed:
5.36.0-4dsa · perl · debian · 13
5.40.1-6· arm64 · trixieFixed · Fixed:
5.36.0-4dsa · perl · debian · 13
- [perl-doc]Fixed
Source package: [perl]
Details (2)
5.40.1-6· all · trixieFixed · Fixed:
5.36.0-4dsa · perl · debian · 13
5.40.1-6· all · trixieFixed · Fixed:
5.36.0-4dsa · perl · debian · 13
- [perl-modules-5.40]Fixed
Source package: [perl]
Details (2)
5.40.1-6· all · trixieFixed · Fixed:
5.36.0-4dsa · perl · debian · 13
5.40.1-6· all · trixieFixed · Fixed:
5.36.0-4dsa · perl · debian · 13
Observed:
References
- [https://access.redhat.com/errata/RHSA-2025:8432]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2025_8432.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2020-16156]
- [https://osv.dev/vulnerability/DLA-3926-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2020-16156]
- [https://osv.dev/vulnerability/USN-5689-1]
- [https://security-tracker.debian.org/tracker/CVE-2020-16156]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0138.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]