ALSA-2021:1842

    Dashboard / Vulnerabilities / ALSA-2021:1842

    ALSA-2021:1842

    Published: 18 May 2021Last Modified: 4 Feb 2026

    Summary: Moderate: raptor2 security and bug fix update

    Details: Raptor is the RDF Parser Toolkit for Redland that provides a set of standalone RDF parsers, generating triples from RDF/XML or N-Triples. Security Fix(es): * raptor: heap-based buffer overflows due to an error in calculating the maximum nspace declarations for the XML writer (CVE-2017-18926) * raptor2: malformed input file can lead to a segfault due to an out of bounds array access in raptor_xml_writer_start_element_common (CVE-2020-25713) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

    References: https://errata.almalinux.org/8/ALSA-2021-1842.html, https://vulners.com/cve/CVE-2017-18926, https://vulners.com/cve/CVE-2020-25713

    Affected packages

    Package

    Name: raptor2

    Purl: pkg:rpm/almalinux/raptor2

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.0.15-16.el8

    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
    ALSA-2021:1842 | CVE-DB