CLSA-2021-1637673193

    Dashboard / Vulnerabilities / CLSA-2021-1637673193

    CLSA-2021-1637673193

    Published: 23 Nov 2021Last Modified: 1 Jun 2026

    Summary: Fix of CVE: CVE-2021-21704, CVE-2021-21703, CVE-2021-21705

    Details: - CVE-2021-21704: fix integer overflow and subsequent incorrect buffer allocation - CVE-2021-21705: fix incorrect url password validation - CVE-2021-21703: fix incorrect shared memory management, which led to priv escalation

    References: https://errata.cloudlinux.com/els6/CLSA-2021-1637673193.html

    Affected packages

    Package

    Name: php

    Purl: pkg:rpm/tuxcare/php?distro=centos-6

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.3.3-55.el6.cloudlinux.els

    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
    CLSA-2021-1637673193 | CVE-DB