OSV-2021-777

    Dashboard / Vulnerabilities / OSV-2021-777

    OSV-2021-777

    Published: 20 May 2021Last Modified: 19 Sept 2026

    Summary: Heap-use-after-free in xmlAddNextSibling

    Details: OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34461 ``` Crash type: Heap-use-after-free READ 4 Crash state: xmlAddNextSibling xmlXIncludeCopyRange xmlXIncludeCopyXPointer ```

    References: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34461

    Affected packages

    Package

    Name: libxml2

    Purl: pkg:generic/libxml2

    Affected ranges

    Type: GIT

    Events:

    Introduced- 6c128fd58a0e4641c23a345d413672494622db1b
    Fixed -None

    Affected versions

    CVE-2021-3541

    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-2021-777 | CVE-DB