CVE-2026-3407

Description

A vulnerability was determined in YosysHQ yosys up to 0.62. This affects the function Yosys::RTLIL::Const::set of the file kernel/rtlil.h of the component BLIF File Parser. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Applying a patch is the recommended action to fix this issue. It appears that the issue is not reproducible all the time.

References

https://vuldb.com/?submit.763755

https://vuldb.com/?id.348302

https://vuldb.com/?ctiid.348302

https://github.com/oneafter/0210/blob/main/yo2/repro

https://github.com/YosysHQ/yosys/pull/5681

https://github.com/YosysHQ/yosys/pull/5680

https://github.com/YosysHQ/yosys/issues/5677

https://github.com/YosysHQ/yosys/

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4

EPSS