UBUNTU-CVE-2023-4863

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    UBUNTU-CVE-2023-4863

    Published: 12 Sept 2023Last Modified: 22 Apr 2026
    Upstream:
    CVE-2023-4863
    Aliases:
    USN-6367-1
    USN-6368-1
    USN-6369-1

    Summary:

    Details: Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)

    References: https://ubuntu.com/security/CVE-2023-4863, https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html, https://chromium.googlesource.com/webm/libwebp.git/+/902bc9190331343b2017211debcec8d2ab87e17a, https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/, https://ubuntu.com/security/notices/USN-6367-1, https://ubuntu.com/security/notices/USN-6368-1, https://ubuntu.com/security/notices/USN-6369-1, https://blog.isosceles.com/the-webp-0day/, https://ubuntu.com/security/notices/USN-6369-2, https://www.cve.org/CVERecord?id=CVE-2023-4863, https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Affected packages

    Package

    Name: libwebp

    Purl: pkg:deb/ubuntu/[email protected]+esm1?arch=source&distro=esm-infra/bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.6.1-2ubuntu0.18.04.2+esm1

    Affected versions

    0.6.0-3
    0.6.0-4
    0.6.1-1
    0.6.1-2
    0.6.1-2ubuntu0.18.04.1
    0.6.1-2ubuntu0.18.04.2

    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
    UBUNTU-CVE-2023-4863 | CVE-DB