OSV-2021-651

    Dashboard / Vulnerabilities / OSV-2021-651

    OSV-2021-651

    Published: 18 Apr 2021Last Modified: 13 Apr 2022

    Summary: Heap-use-after-free in zend_gc_delref

    Details: OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33335 ``` Crash type: Heap-use-after-free READ 4 Crash state: zend_gc_delref zval_delref_p zval_ptr_dtor_nogc ```

    References: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33335

    Affected packages

    Package

    Name: php

    Purl: pkg:generic/php

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0fdf668dce21a2bdab5f0d76b3b8dc3879e661fd
    Fixed -08dafda1232ffb70d878cb9b334982163aa32357

    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
    OSV-2021-651 | CVE-DB