Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-46236
CVE-2021-46236:
NixOS vulnerability analysis and mitigation
Overview
A NULL pointer dereference vulnerability exists in GPAC v1.1.0 via the function gf_sg_vrml_field_pointer_del() at scenegraph/vrml_tools.c. This vulnerability can lead to a Denial of Service (DoS) (NVD, GitHub Issue).
Technical details
The vulnerability exists in the gf_sg_vrml_field_pointer_del() function located in scenegraph/vrml_tools.c at line 667. When a NULL pointer is passed to this function, it attempts to dereference it while handling MFDouble field types, leading to a segmentation fault. The vulnerability has a CVSS v3.1 Base Score of 5.5 MEDIUM (Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) (NVD).
Impact
The successful exploitation of this vulnerability results in a Denial of Service (DoS) condition through application crash when processing certain SVG files. This affects the availability of the GPAC application (NVD).
Mitigation and workarounds
The vulnerability affects GPAC version 1.1.0. Users should update to a patched version when available. No specific workarounds have been publicly documented (NVD).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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