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    CVE-2026-119341

    Tesseract is an open source OCR engine. Prior to 5.5.4, ReadAdaptedClass in src/classify/adaptive.cpp raw-reads an ADAPT_CLASS_STRUCT from a pre-adapted-template .a file without neutralizing TempProtos and Config pointer fields before any destructor path. When the legacy engine is selected, classify_use_pre_adapted_templates is enabled, and an attacker can write the output-basename .a file, the success or rejection path can pass file-controlled pointers to ~ADAPT_CLASS_STRUCT and operator delete, causing memory corruption and denial of service. This issue is fixed in version 5.5.4.

    Published:Oct 30, 2026
    Last Modified:Nov 2, 2026
    EPS:Oct 30, 2026
    EPSS Score:0.0027
    CVSS Score:0

    Affected Products

    Vendor
    Tesseract-ocr
    Product
    Tesseract Ocr

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-119340 (CVSS 5.5) — Tesseract is an open source OCR engine. Prior to 5.5.4, GENERIC_2D_ARRAY::DeSerializeSize in src/ccstruct/matr…
    CVE-2026-119338 (CVSS 6.9) — Tesseract is an open source OCR engine. From 5.4.0 until 5.5.4, AppendLinePolygon in src/api/pagerenderer.cpp …
    CVE-2026-88054 (CVSS 6.9) — Tesseract is an open source OCR engine. In version 5.5.3 and earlier, Plumbing::DeSerialize in src/lstm/plumbi…
    CVE-2026-88053 (CVSS 8.6) — Tesseract is an open source OCR engine. In version 5.5.3 and earlier, Classify::ReadIntTemplates in src/classi…
    CVE-2026-88052 (CVSS 7.8) — Tesseract is an open source OCR engine. In version 5.5.3 and earlier, UNICHARSET::load_via_fgets in src/ccutil…
    CVE-2026-88051 (CVSS 8.6) — Tesseract is an open source OCR engine. In version 5.5.3 and earlier, the callback form of GenericVector::read…
    CVE-2026-88050 (CVSS 6.9) — Tesseract is an open source OCR engine. In version 5.5.3 and earlier, RecodedCharID::DeSerialize in src/ccutil…
    CVE-2026-88049 (CVSS 8.6) — Tesseract is an open source OCR engine. In version 5.5.3 and earlier, prior .traineddata hardening added bound…
    CVE-2026-88048 (CVSS 8.6) — Tesseract is an open source OCR engine. In version 5.5.3 and earlier, FullyConnected::DeSerialize in src/lstm/…
    CVE-2026-88047 (CVSS 8.6) — Tesseract is an open source OCR engine. In version 5.5.3 and earlier, Classify::ReadNormProtos in src/classify…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High