UBUNTU-CVE-2026-119338

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    UBUNTU-CVE-2026-119338

    Published: 30 Oct 2026Last Modified: 5 Nov 2026
    Upstream:
    CVE-2026-119338

    Summary:

    Details: Tesseract is an open source OCR engine. From 5.4.0 until 5.5.4, AppendLinePolygon in src/api/pagerenderer.cpp destroys the caller-owned right-to-left Pta accumulator while receiving it by value, leaving line_top_rtl_pts and line_bottom_rtl_pts dangling. On an upright Hebrew or Arabic page at the default PAGE XML level, POLYGONFLAG with a false skewed_flag enters the vulnerable calls, while LEVELFLAG greater than zero provides an alternative gate. The calls repeatedly read and free the stale object, causing a double free and use after free and allowing corrupted coordinates to reach RecalcPolygonline. This issue is fixed in version 5.5.4.

    References: https://ubuntu.com/security/CVE-2026-119338, https://www.cve.org/CVERecord?id=CVE-2026-119338, https://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-vf7v-2h4f-6f4j, https://github.com/tesseract-ocr/tesseract/pull/4647, https://github.com/tesseract-ocr/tesseract/commit/fa52414ff1fd13ae4b00048d2498f9141b0bc2eb, https://github.com/tesseract-ocr/tesseract/releases/tag/5.5.4

    Affected packages

    Package

    Name: tesseract

    Purl: pkg:deb/ubuntu/tesseract?arch=source&distro=esm-infra-legacy%2Ftrusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.02.02-1

    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
    UBUNTU-CVE-2026-119338 | CVE-DB