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    CVE-2022-1122

    A flaw was found in the opj2_decompress program in openjpeg2 2.4.0 in the way it handles an input directory with a large number of files. When it fails to allocate a buffer to store the filenames of the input directory, it calls free() on an uninitialized pointer, leading to a segmentation fault and a denial of service.

    Published:Jul 13, 2021
    Last Modified:Nov 3, 2025
    EPS:Mar 29, 2022
    EPSS Score:0.00052
    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

    No exploit reference

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    References

    https://github.com/uclouvain/openjpeg/issues/1368
    https://lists.debian.org/debian-lts-announce/2022/04/msg00006.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MIWSQFQWXDU4MT3XTVAO6HC7TVL3NHS7/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RMKBAMK2CAM5TMC5TODKVCE5AAPTD5YV/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ROSN5NRUFOH7HGLJ4ZSKPGAKLFXJALW4/
    https://security.gentoo.org/glsa/202209-04
    https://github.com/uclouvain/openjpeg/issues/1368
    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/MIWSQFQWXDU4MT3XTVAO6HC7TVL3NHS7/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RMKBAMK2CAM5TMC5TODKVCE5AAPTD5YV/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ROSN5NRUFOH7HGLJ4ZSKPGAKLFXJALW4/
    https://security.gentoo.org/glsa/202209-04

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
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    High
    User Interaction
    None
    Required
    Scope
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    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High