What’s Vulnerable › Products

GNU Bison vulnerabilities

4 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 2 published in the last 12 months.

Check whether your GNU Bison version is affected

Latest GNU Bison vulnerabilities

• CVE-2026-56390 — Arbitrary Output Location Change in GNU Bison (CVSS 6.3)
• CVE-2026-56389 — Arbitrary Command Execution in GNU Bison (CVSS 8.6)
• CVE-2020-24240 — (CVSS 5.5)
• CVE-2020-14150 — (CVSS 5.5)