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GNU Bison before 3.5.4 allows attackers to cause a denial of service (application crash). NOTE: there is a risk only if Bison is used with untrusted input, and an observed bug happens to cause unsafe behavior with a specific compiler/architecture. The bug reports were intended to show that a crash may occur in Bison itself, not that a crash may occur in code that is generated by Bison.

🗓️ 01 Oct 2025 23:11:04Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

GNU Bison before 3.5.4 may crash the application with untrusted input, causing denial of service.

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01 Oct 2025 23:11Current
7High risk
Vulners AI Score7
CVSS 22.1
CVSS 3.15.5
EPSS0.00117
2