Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-33390
CVE-2021-33390:
NixOS vulnerability analysis and mitigation
Overview
dpic 2021.04.10 contains a use-after-free vulnerability in the deletestringbox() function in dpic.y. This is a different vulnerability than CVE-2021-32421 (GitLab Issue).
Technical details
The vulnerability exists in the cmpstring() function at line 5724 in dpic.y. When processing certain input files, the application performs a heap use-after-free read operation on a previously freed memory region located 32 bytes inside a 136-byte block. The issue occurs during the execution of the deletestringbox() function (GitLab Issue).
Impact
This vulnerability could lead to program crashes and potential information disclosure through the reading of freed memory locations (GitLab Issue).
Mitigation and workarounds
The issue has been fixed in version 2023.02.01-1 and later releases. Users should upgrade to the latest version to receive the security fix (Debian Tracker).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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