UBUNTU-CVE-2021-31229

    Dashboard / Vulnerabilities / UBUNTU-CVE-2021-31229

    UBUNTU-CVE-2021-31229

    Published: 15 Apr 2021Last Modified: 20 May 2026
    Upstream:
    Aliases:

    Summary:

    Details: An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_internal_dtd() performs incorrect memory handling while parsing crafted XML files, which leads to an out-of-bounds write of a one byte constant.

    Affected packages

    Package

    Name: scilab

    Purl: pkg:deb/ubuntu/scilab?arch=source&distro=esm-apps%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.5.2-2ubuntu3+esm1

    Affected versions

    5.5.2-1ubuntu1
    5.5.2-2ubuntu1
    5.5.2-2ubuntu2
    5.5.2-2ubuntu3

    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-2021-31229 | CVE-DB