OESA-2026-4538

    Dashboard / Vulnerabilities / OESA-2026-4538

    OESA-2026-4538

    Published: 29 Oct 2026Last Modified: 29 Oct 2026
    Upstream:
    CVE-2026-109831

    Summary: unrtf security update

    Details: UnRTF is a command-line program written in C which converts documents in Rich Text Format (.rtf) to HTML, LaTeX, troff macros, and RTF itself. Converting to HTML, it supports a number of features of Rich Text Format: * Changes in the text's font, size, weight (bold), and slant (italic) * Underlines and strikethroughs * Partial support for text shadowing, outlining, embossing, or engraving * Capitalizations * Superscripts and subscripts * Expanded and condensed text * Changes in the foreground and background colors * Conversion of special characters to HTML entities Security Fix(es): UnRTF by GNU Project is vulnerable to out-of-bounds write. If a user opens an RTF file crafted by an attacker, it may lead to a denial-of-service (DoS) condition.(CVE-2026-109831)

    References: https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4538, https://nvd.nist.gov/vuln/detail/CVE-2026-109831

    Affected packages

    Package

    Name: unrtf

    Purl: pkg:rpm/openEuler/unrtf&distro=openEuler-24.03-LTS-SP4

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.21.13-1.oe2403sp4

    Affected versions

    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
    OESA-2026-4538 | CVE-DB