CVE-2026-88051

Tesseract (open-source OCR engine) versions 5.5.3 and earlier contain a heap out-of-bounds write in the callback form of GenericVector::read (src/ccutil/genericvector.h). The function reads independent reserved and size_used_ int32 fields from a .traineddata model without a cap or invariant check...

EUVD-2026-56182

Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata model loaded through TessBaseAPI::Init can cause SquishedDawg::readsquisheddawg in src/dict/dawg.cpp to accept an unterminated forward-edge run, after which SquishedDawg::Load calls numforwardedges0 and lastedge in...

PT-2026-70225

Name of the Vulnerable Software and Affected Versions Tesseract versions prior to 5.5.3 Description A heap out-of-bounds read occurs when a crafted .traineddata model is loaded through the TessBaseAPI::Init function. This happens because SquishedDawg::read squished dawg in src/dict/dawg.cpp accep...