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Vendors / GNU / Bison

GNU Bison

CVE-2026-56390 Medium 4.6 Arbitrary Output Location Change in GNU Bison 0.2%
CVE-2026-56389 Medium 6.8 Arbitrary Command Execution in GNU Bison 0.2%

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Contains data from the CISA Known Exploited Vulnerabilities Catalog. Use does not imply endorsement by CISA or DHS.

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Exploit-availability signals from CVSS-BT by Stephen Shaffer (MIT license), which aggregates Metasploit (BSD), Nuclei templates (MIT), PoC-in-GitHub (CC0) and NVD (public domain).

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