Analyzed
1 day
ago.
based on code collected
1 day
ago.
Project Summary
In a Nutshell, GNU Bison...
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has a well established, mature codebase
maintained by a small development team
with increasing Y-O-Y commits -
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took an estimated 11 years of effort (COCOMO model)
starting with its first commit in December, 1987
ending with its most recent commit about 2 months ago
Quick Reference
Organization:
git://git.sv.gnu.org/bison
Project Security
Vulnerabilities per Version ( last 10 releases )
Project Vulnerability Report
Security Confidence Index
Poor security track-record
Favorable security track-record
Vulnerability Exposure Index
Many reported vulnerabilities
Few reported vulnerabilities
Did You Know...
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there are over 3,000 projects on the Open Hub with security vulnerabilities reported against them
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by exploring contributors within projects, you can view details on every commit they have made to that project
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nearly 1 in 3 companies have no process for identifying, tracking, or remediating known open source vulnerabilities
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anyone with an Open Hub account can update a project's tags
30 Day SummaryFeb 2 2026 — Mar 4 2026
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12 Month SummaryMar 4 2025 — Mar 4 2026
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