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    CVE-2021-29338

    Integer Overflow in OpenJPEG v2.4.0 allows remote attackers to crash the application, causing a Denial of Service (DoS). This occurs when the attacker uses the command line option "-ImgDir" on a directory that contains 1048576 files.

    Published:Mar 24, 2021
    Last Modified:Nov 3, 2025
    EPS:Apr 14, 2021
    EPSS Score:0.001
    CVSS Score:5.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Uclouvain
    Product
    Openjpeg

    Exploits

    https://github.com/uclouvain/openjpeg/issues/1338https://github.com/uclouvain/openjpeg/issues/1338

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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    References

    https://github.com/uclouvain/openjpeg/issues/1338
    https://lists.debian.org/debian-lts-announce/2022/04/msg00006.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ54FGM2IGAP4AWSJ22JKHOPHCR3FGYU/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QB6AI7CWXWMEDZIQY4LQ6DMIEXMDOHUP/
    https://security.gentoo.org/glsa/202209-04
    https://github.com/uclouvain/openjpeg/issues/1338
    https://lists.debian.org/debian-lts-announce/2022/04/msg00006.html
    https://lists.debian.org/debian-lts-announce/2025/04/msg00002.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ54FGM2IGAP4AWSJ22JKHOPHCR3FGYU/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QB6AI7CWXWMEDZIQY4LQ6DMIEXMDOHUP/
    https://security.gentoo.org/glsa/202209-04

    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