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No exploitation reportedFix available

CVE-2020-36646

No exploitation reported by the sources we read.

  • Published2023-01-07
  • Fixed in0.4.39
  • WeaknessCWE-476 · CWE-690

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2023-01-0720:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-36646?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-36646?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Mediaarea zenlib
BranchAffectedFixed in
0.4≥ 0.4.0, < 0.4.390.4.39

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Mediaarea zenlib to 0.4.39

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CNACVSS 3.13.5read 2026-10-23
  • NVDCVSS 3.17.5read 2026-10-23
  • CNACVSS 2.02.3read 2026-10-23
  • CNAweakness (CWE)CWE-690read 2026-10-23
  • NVDweakness (CWE)CWE-476read 2026-10-23
  • FIRST EPSSEPSS score1.2 %2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2023-01-07
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-36646?

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.

Is CVE-2020-36646 actively exploited?

Active exploitation of CVE-2020-36646 has not been confirmed. Its EPSS score was 1.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-36646?

CVE-2020-36646 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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