CVE-2023-38648

Summary

CVE-2023-38648 is a critical vulnerability affecting GTKWave 3.3.115. The issue lies in the vzt_rd_get_facname decompression functionality, where multiple out-of-bounds write vulnerabilities have been identified. A maliciously crafted .vzt file can exploit these vulnerabilities, resulting in arbitrary code execution. This occurs due to a prefix copy loop performing an out-of-bounds write. Users are advised to update their GTKWave installation as soon as possible to protect against potential attacks.

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