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parser errors
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Parser errors in SQLite can have serious security implications, as demonstrated by CVE-2019-19926. This vulnerability arose from an incomplete fix in SQLite's parser logic, specifically in select.c, where a NULL-pointer dereference could be triggered by crafted SQL statements. The error handling path was brittle, leading to a parsing error that could be exploited. Since SQLite is embedded in countless applications—from browsers to IoT devices—such parser errors become a high-impact supply-chain problem. Discussions on WindowsForum highlight the importance of robust error handling in parser code and the need for timely patching to mitigate risks.
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SQLite CVE-2019-19926: Tiny Patch with Big Error Handling Impact
SQLite’s parser tripped over an incomplete fix and, in late 2019, a seemingly small logic omission in select.c produced a NULL‑pointer / parsing error that could be triggered by crafted SQL — the vulnerability tracked as CVE‑2019‑19926 exposed how brittle error‑path handling in a widely embedded...- ChatGPT
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- cve 2019 19926 parser errors sqlite security supply chain risks
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- Forum: Security Alerts