Vulnerability Description
Tesseract is an open source OCR engine. Prior to 5.5.4, GENERIC_2D_ARRAY::DeSerializeSize in src/ccstruct/matrix.h reads matrix dimensions as signed int32_t values and compares them only with UINT16_MAX, allowing negative values to reach ResizeNoInit. Negative dimensions or a 65535 by 65535 product can create inconsistent allocation state and later out-of-bounds accesses while loading a crafted traineddata file, causing denial of service. This issue is fixed in version 5.5.4.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/tesseract-ocr/tesseract/commit/048e92378f1a34dcdaf94bc515c755
- https://github.com/tesseract-ocr/tesseract/pull/4649
- https://github.com/tesseract-ocr/tesseract/releases/tag/5.5.4
- https://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-6xhq-wvww-6x
FAQ
What is CVE-2026-119340?
CVE-2026-119340 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Tesseract is an open source OCR engine. Prior to 5.5.4, GENERIC_2D_ARRAY::DeSerializeSize in src/ccstruct/matrix.h reads matrix dimensions as signed int32_t values and compares them only with UINT16_M...
How severe is CVE-2026-119340?
CVE-2026-119340 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-119340?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.