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Static linking pitfalls, harms and challenges

Talkat DebConf 2025 · on Tuesday, 2025-07-15· at 12:00· Petit amphi· [software-architecture, security]

Examines problems that widespread static linking (including vendoring/packing/uber-jars) creates for Debian release and security management — for example difficulty tracking vulnerable code, rebuild burdens, and limitations of workarounds like Static-Built-Using fields, binNMU, or mass rebuilds. Describes security concerns related to trusting compiled artefacts (a Thompson-style ‘trusting trust’ angle), the role and limits of reproducible builds, and proposes ideas such as weak dynamic linking and leaf static linking as possible mitigations.

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