CVE-2026-73067

UNKNOWN 0.0

Tesseract: Heap OOB read in the DAWG loader

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata model loaded through TessBaseAPI::Init can cause SquishedDawg::read_squished_dawg in src/dict/dawg.cpp to accept an unterminated forward-edge run, after which SquishedDawg::Load calls num_forward_edges(0) and last_edge in src/dict/dawg.h reads beyond edges_, causing a heap out-of-bounds read and process crash before image processing. This issue is fixed in version 5.5.3.

CWE	CWE-125
Vendor	tesseract-ocr
Product	tesseract
Published	Aug 11, 2026
Last Updated	Aug 11, 2026

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Affected Versions

tesseract-ocr / tesseract

< 5.5.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-x3vq-7rr7-5x3h github.com: https://github.com/tesseract-ocr/tesseract/issues/4580 github.com: https://github.com/tesseract-ocr/tesseract/pull/4581 github.com: https://github.com/tesseract-ocr/tesseract/commit/55287a94b8044c05ce3fd10f5aca6ebbd238e518 github.com: https://github.com/tesseract-ocr/tesseract/commit/82727cc11c34eaf1249af002d69f6bbae70993b9 github.com: https://github.com/tesseract-ocr/tesseract/releases/tag/5.5.3