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    CVE-2026-6192

    A vulnerability was identified in uclouvain openjpeg up to 2.5.4. This impacts the function opj_pi_initialise_encode in the library src/lib/openjp2/pi.c. The manipulation leads to integer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. The identifier of the patch is 839936aa33eb8899bbbd80fda02796bb65068951. It is suggested to install a patch to address this issue.

    Published:Apr 13, 2026
    Last Modified:May 21, 2026
    EPS:Apr 13, 2026
    EPSS Score:0.00017
    CVSS Score:3.3

    Affected Products

    Vendor
    Uclouvain
    Product
    Openjpeg

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

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    CVE-2023-39329 (CVSS 6.5) — A flaw was found in OpenJPEG. A resource exhaustion can occur in the opj_t1_decode_cblks function in tcd.c thr…
    CVE-2023-39327 (CVSS 4.3) — A flaw was found in OpenJPEG. Maliciously constructed pictures can cause the program to enter a large loop and…
    CVE-2023-39328 (CVSS 5.5) — A vulnerability was found in OpenJPEG similar to CVE-2019-6988. This flaw allows an attacker to bypass existin…
    CVE-2022-1122 (CVSS 5.5) — A flaw was found in the opj2_decompress program in openjpeg2 2.4.0 in the way it handles an input directory wi…
    CVE-2021-3575 (CVSS 7.8) — A heap-based buffer overflow was found in openjpeg in color.c:379:42 in sycc420_to_rgb when decompressing a cr…
    CVE-2021-29338 (CVSS 5.5) — Integer Overflow in OpenJPEG v2.4.0 allows remote attackers to crash the application, causing a Denial of Serv…
    CVE-2020-27843 (CVSS 5.5) — A flaw was found in OpenJPEG in versions prior to 2.4.0. This flaw allows an attacker to provide specially cra…
    CVE-2020-27845 (CVSS 5.5) — There's a flaw in src/lib/openjp2/pi.c of openjpeg in versions prior to 2.4.0. If an attacker is able to provi…

    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