Coverity reports integer overflow in libtiff code
Coverity flags integer overflow and underflow in TIFF overview, JPEG, and RGBA test code.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 19 August 2026 · last reported 20 August 2026
What's going wrong
Maintainers who run Coverity on libtiff receive several integer overflow findings: an unsigned multiplication that widens too late in the JPEG path, and unsigned underflow from zero minus one in overview generation and an RGBA test.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
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