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CVE-2025-51678

PCPI Instruction Mismatch Causing Memory Address Corruption in PicoRV32

An issue was discovered in RISC-V PicoRV32 commit 87c89a. A mismatch in the PCPI INSN and memory address can lead to unexpected behavior.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Yosyshq
Products
Picorv32
CVE-2026-3407

YosysHQ yosys BLIF File rtlil.h set heap-based overflow

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.

CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Yosyshq
Products
Yosys