CVE-2020-28248

    Dashboard / Vulnerabilities / CVE-2020-28248

    CVE-2020-28248

    Published: 20 Feb 2021Last Modified: 8 Jul 2026

    Summary:

    Details: An integer overflow in the PngImg::InitStorage_() function of png-img before 3.1.0 leads to an under-allocation of heap memory and subsequently an exploitable heap-based buffer overflow when loading a crafted PNG file.

    References: https://github.com/gemini-testing/png-img/compare/v3.0.0...v3.1.0, https://github.com/gemini-testing/png-img/commit/14ac462a32ca4b3b78f56502ac976d5b0222ce3d, https://github.com/gemini-testing/png-img, https://securitylab.github.com/advisories/GHSL-2020-142-gemini-png-img

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -3665569bac8aaa01014add5cb79801645fd94e3c

    Affected versions

    v3.0.0

    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
    CVE-2020-28248 | CVE-DB