gtkwave: Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 VCDATA parsing functionality of...
CVE-2023-35956 is fixed in gtkwave on 1 platform, first by DEBIAN-CVE-2023-35956, released January 8, 2024. It is not reported as exploited. Patch Radar priority: High.
Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 VCDATA parsing functionality of GTKWave 3.3.115. A specially-crafted .fst file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the decompression function `fastlz_decompress`.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| gtkwave · Debian 12.15 (bookworm) | 3.3.118-0.1~deb12u1 | DEBIAN-CVE-2023-35956 | Jan 8, 2024 |
| gtkwave · Debian 13.5 (trixie) | 3.3.118-0.1 | DEBIAN-CVE-2023-35956 | Jan 8, 2024 |
| gtkwave · Debian 14 | 3.3.118-0.1 | DEBIAN-CVE-2023-35956 | Jan 8, 2024 |
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