CVE-2021-37530
NixOS vulnerability analysis and mitigation

Overview

A denial of service vulnerability exists in fig2dev through version 3.28a. The vulnerability is tracked as CVE-2021-37530 and affects the fig2dev component, which is a utility for converting Xfig files to other formats (Debian Security).

Technical details

The vulnerability manifests as a segmentation fault in the open_stream function located in readpics.c line 215. This was confirmed through AddressSanitizer analysis which showed the crash occurring when attempting to access an invalid memory address 0x000000000000 (SourceForge Ticket).

Impact

When successfully exploited, this vulnerability can lead to a denial of service condition, potentially causing the fig2dev application to crash (Debian Security).

Mitigation and workarounds

The vulnerability has been fixed in updated versions of the software. Debian has released security updates to address this issue in their package repositories (Debian Announce).

Additional resources


SourceThis report was generated using AI

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