UBUNTU-CVE-2023-1999

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    UBUNTU-CVE-2023-1999

    Published: 8 May 2023Last Modified: 20 May 2026
    Upstream:
    CVE-2023-1999

    Summary:

    Details: There exists a use after free/double free in libwebp. An attacker can use the ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will then return 0 because of an Out of memory error in VP8 encoder, the pointer is still assigned to trial and the AddressSanitizer will attempt a double free.

    References: https://ubuntu.com/security/CVE-2023-1999, https://www.mozilla.org/en-US/security/advisories/mfsa2023-13/#CVE-2023-1999, https://www.mozilla.org/en-US/security/advisories/mfsa2023-14/#CVE-2023-1999, https://www.mozilla.org/en-US/security/advisories/mfsa2023-15/#CVE-2023-1999, https://ubuntu.com/security/notices/USN-6078-1, https://ubuntu.com/security/notices/USN-6078-2, https://www.cve.org/CVERecord?id=CVE-2023-1999

    Affected packages

    Package

    Name: libwebp

    Purl: pkg:deb/ubuntu/libwebp?arch=source&distro=esm-infra-legacy%2Ftrusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    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
    UBUNTU-CVE-2023-1999 | CVE-DB