USN-4971-2

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    USN-4971-2

    Published: 10 Jun 2021Last Modified: 29 Jun 2026

    Summary: libwebp vulnerabilities

    Details: USN-4971-1 fixed several vulnerabilities in libwebp. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that libwebp incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image file, a remote attacker could use this issue to cause libwebp to crash, resulting in a denial of service, or possibly execute arbitrary code.

    References: https://ubuntu.com/security/notices/USN-4971-2, https://ubuntu.com/security/CVE-2018-25009, https://ubuntu.com/security/CVE-2018-25010, https://ubuntu.com/security/CVE-2018-25011, https://ubuntu.com/security/CVE-2018-25012, https://ubuntu.com/security/CVE-2018-25013, https://ubuntu.com/security/CVE-2018-25014, https://ubuntu.com/security/CVE-2020-36328, https://ubuntu.com/security/CVE-2020-36329, https://ubuntu.com/security/CVE-2020-36330, https://ubuntu.com/security/CVE-2020-36331

    Affected packages

    Package

    Name: libwebp

    Purl: pkg:deb/ubuntu/libwebp?arch=source&distro=trusty%2Fesm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.4.0-4ubuntu0.1~esm1

    Affected versions

    0.3.0-3

    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