CVE Vulnerabilities

CVE-2020-36646

Unchecked Return Value to NULL Pointer Dereference

Published: Jan 07, 2023 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM

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.

Weakness

The product does not check for an error after calling a function that can return with a NULL pointer if the function fails, which leads to a resultant NULL pointer dereference.

Affected Software

Name Vendor Start Version End Version
Zenlib Mediaarea 0.4.0 (including) 0.4.39 (excluding)
Libzen Ubuntu bionic *
Libzen Ubuntu esm-apps/xenial *
Libzen Ubuntu focal *
Libzen Ubuntu trusty *
Libzen Ubuntu trusty/esm *
Libzen Ubuntu upstream *
Libzen Ubuntu xenial *

References