Bug 2514014 (CVE-2026-73067)

Summary: CVE-2026-73067 tesseract: Tesseract: Denial of Service due to crafted data model
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Tesseract, an open-source Optical Character Recognition (OCR) engine. A remote attacker could exploit this vulnerability by providing a specially crafted `.traineddata` model. When this malicious model is loaded, it can cause the software to read beyond its allocated memory, leading to a process crash. This results in a denial of service, making the Tesseract application unavailable.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-08-11 15:01:48 UTC
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.