CVE-2026-3407 | BDVDB-2026-317951 Detail
YosysHQyosys
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.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact low. Attack vector: local.
Weaknesses#
References#
- https://vuldb.com/?id.348302
- https://vuldb.com/?ctiid.348302
- https://vuldb.com/?submit.763755
- https://github.com/YosysHQ/yosys/issues/5677
- https://github.com/YosysHQ/yosys/pull/5680
- https://github.com/oneafter/0210/blob/main/yo2/repro
- https://github.com/YosysHQ/yosys/pull/5681
- https://github.com/YosysHQ/yosys/
Exploit#
History#
- Version 1Record published in the CVE List.