Heap-based Buffer Overflow Affecting YosysHQ/yosys package, versions [,0.63)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published2 Mar 2026
- disclosed2 Mar 2026
- creditOneafter
Introduced: 2 Mar 2026
CVE-2026-3407 (opens in a new tab)How to fix?
Upgrade YosysHQ/yosys to version 0.63 or higher.
Overview
Affected versions of this package are vulnerable to Heap-based Buffer Overflow in the set function of the BLIF File Parser component. An attacker can cause a heap-based buffer overflow by providing specially crafted input files processed locally.