CVE-2019-9021

    Dashboard / Vulnerabilities / CVE-2019-9021

    CVE-2019-9021

    Published: 22 Feb 2019Last Modified: 7 Aug 2026

    Summary:

    Details: An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. A heap-based buffer over-read in PHAR reading functions in the PHAR extension may allow an attacker to read allocated or unallocated memory past the actual data when trying to parse the file name, a different vulnerability than CVE-2018-20783. This is related to phar_detect_phar_fname_ext in ext/phar/phar.c.

    References: http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html, http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html, http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.html, http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html, http://www.securityfocus.com/bid/106747, http://www.securityfocus.com/bid/107156, https://access.redhat.com/errata/RHSA-2019:2519, https://access.redhat.com/errata/RHSA-2019:3299, https://security.netapp.com/advisory/ntap-20190321-0001/, https://usn.ubuntu.com/3902-1/, https://usn.ubuntu.com/3902-2/, https://www.debian.org/security/2019/dsa-4398, https://bugs.php.net/bug.php?id=77247

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -4b8f72da5dfb201af4e82dee960261d8657e414f

    Affected versions

    php-7.3.1RC1

    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