CVE catalog
CVE-2020-36646
libzen: CVE-2020-36646
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.23% · Oct 25, 2026
A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argument Value leads to unchecked return value to null pointer dereference. Upgrading to version 0.4.39 is able to address this issue. The identifier of the patch is 6475fcccd37c9cf17e0cfe263b5fe0e2e47a8408. It is recommended to upgrade the affected component. The identifier VDB-217629 was assigned to this vulnerability.
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 | libzen | sid | 0.4.41-4 | fixed |
| Debian | libzen | forky | 0.4.41-4 | fixed |
| Debian | libzen | trixie | 0.4.41-2.1 | fixed |
| Debian | libzen | bookworm | 0.4.41-2 | fixed |
| Ubuntu | libzen | pro | 0.4.29-1ubuntu2 | vulnerable |
| Ubuntu | libzen | pro | 0.4.32-1 | vulnerable |
| Ubuntu | libzen | pro | 0.4.32-1ubuntu0.16.04.1 | vulnerable |
| Ubuntu | libzen | pro | 0.4.32-1ubuntu0.16.04.1+esm1 | fixed |
| Ubuntu | libzen | 18.04 | 0.4.36-1 | vulnerable |
| Ubuntu | libzen | 18.04 | 0.4.37-1 | vulnerable |
| Ubuntu | libzen | 18.04 | 0.4.37-1ubuntu0.18.04.1 | fixed |
| Ubuntu | libzen | 20.04 | 0.4.37-1 | vulnerable |
| Ubuntu | libzen | 20.04 | 0.4.37-1build1 | vulnerable |
| Ubuntu | libzen | 20.04 | 0.4.37-1ubuntu0.20.04.1 | fixed |
| Ubuntu | libzen | pro | 0.4.29-1ubuntu2 | vulnerable |
| Ubuntu | libzen | pro | 0.4.32-1 | vulnerable |
| Ubuntu | libzen | pro | 0.4.32-1ubuntu0.16.04.1 | vulnerable |
| Ubuntu | libzen | pro | 0.4.32-1ubuntu0.16.04.1+esm1 | fixed |
| Ubuntu | libzen | 18.04 | 0.4.36-1 | vulnerable |
| Ubuntu | libzen | 18.04 | 0.4.37-1 | vulnerable |
| Ubuntu | libzen | 18.04 | 0.4.37-1ubuntu0.18.04.1 | fixed |
| Ubuntu | libzen | 20.04 | 0.4.37-1 | vulnerable |
| Ubuntu | libzen | 20.04 | 0.4.37-1build1 | vulnerable |
| Ubuntu | libzen | 20.04 | 0.4.37-1ubuntu0.20.04.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libzen | source | sid | 0.4.39-1 | not yet assigned | Not reported | Not reported |
| Debian | libzen | source | forky | 0.4.39-1 | not yet assigned | Not reported | Not reported |
| Debian | libzen | source | trixie | 0.4.39-1 | not yet assigned | Not reported | Not reported |
| Debian | libzen | source | bookworm | 0.4.39-1 | not yet assigned | Not reported | Not reported |
| Ubuntu | libzen | deb | pro | 0.4.32-1ubuntu0.16.04.1+esm1 | Not reported | USN-6048-1 | Not reported |
| Ubuntu | libzen | deb | 18.04 | 0.4.37-1ubuntu0.18.04.1 | Not reported | USN-6048-1 | Not reported |
| Ubuntu | libzen | deb | 20.04 | 0.4.37-1ubuntu0.20.04.1 | Not reported | USN-6048-1 | Not reported |
| Ubuntu | libzen | deb | pro | 0.4.32-1ubuntu0.16.04.1+esm1 | Not reported | UBUNTU-CVE-2020-36646 | Not reported |
| Ubuntu | libzen | deb | 18.04 | 0.4.37-1ubuntu0.18.04.1 | Not reported | UBUNTU-CVE-2020-36646 | Not reported |
| Ubuntu | libzen | deb | 20.04 | 0.4.37-1ubuntu0.20.04.1 | Not reported | UBUNTU-CVE-2020-36646 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libzen0v5]Fixed
Source package: [libzen]
Details (2)
0.4.41-2· amd64 · bookwormFixed · Fixed:
0.4.39-1dsa · libzen · debian · bookworm; dsa · libzen · debian · 12
0.4.41-2· arm64 · bookwormFixed · Fixed:
0.4.39-1dsa · libzen · debian · bookworm; dsa · libzen · debian · 12
- [libzen-dev]Fixed
Source package: [libzen]
Details (2)
0.4.41-2· amd64 · bookwormFixed · Fixed:
0.4.39-1dsa · libzen · debian · bookworm; dsa · libzen · debian · 12
0.4.41-2· arm64 · bookwormFixed · Fixed:
0.4.39-1dsa · libzen · debian · bookworm; dsa · libzen · debian · 12
- [libzen-doc]Fixed
Source package: [libzen]
Details (2)
0.4.41-2· all · bookwormFixed · Fixed:
0.4.39-1dsa · libzen · debian · bookworm; dsa · libzen · debian · 12
0.4.41-2· all · bookwormFixed · Fixed:
0.4.39-1dsa · libzen · debian · bookworm; dsa · libzen · debian · 12
[Debian 13 (Trixie)]
- [libzen0t64]Fixed
Source package: [libzen]
Details (2)
0.4.41-2.1+b1· amd64 · trixieFixed · Fixed:
0.4.39-1dsa · libzen · debian · 13
0.4.41-2.1+b1· arm64 · trixieFixed · Fixed:
0.4.39-1dsa · libzen · debian · 13
- [libzen-dev]Fixed
Source package: [libzen]
Details (2)
0.4.41-2.1+b1· amd64 · trixieFixed · Fixed:
0.4.39-1dsa · libzen · debian · 13
0.4.41-2.1+b1· arm64 · trixieFixed · Fixed:
0.4.39-1dsa · libzen · debian · 13
- [libzen-doc]Fixed
Source package: [libzen]
Details (2)
0.4.41-2.1· all · trixieFixed · Fixed:
0.4.39-1dsa · libzen · debian · 13
0.4.41-2.1· all · trixieFixed · Fixed:
0.4.39-1dsa · libzen · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2020-36646]
- [https://osv.dev/vulnerability/DLA-3290-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2020-36646]
- [https://osv.dev/vulnerability/USN-6048-1]
- [https://security-tracker.debian.org/tracker/CVE-2020-36646]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]