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    CVE-2025-54874

    OpenJPEG is an open-source JPEG 2000 codec. In OpenJPEG from 2.5.1 through 2.5.3, a call to opj_jp2_read_header may lead to OOB heap memory write when the data stream p_stream is too short and p_image is not initialized.

    Published:Aug 5, 2025
    Last Modified:Feb 26, 2026
    EPS:Aug 5, 2025
    EPSS Score:0.00063
    CVSS Score:9.8

    Affected Products

    Vendor
    Uclouvain
    Product
    Openjpeg

    Exploits

    https://securitylab.github.com/advisories/GHSL-2025-057_OpenCVhttps://github.com/cyhe50/cve-2025-54874-poc

    Common Weakness Enumeration

    CWE-457 Use of Uninitialized Variable

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-6192 (CVSS 1.9) — A vulnerability was identified in uclouvain openjpeg up to 2.5.4. This impacts the function opj_pi_initialise_…
    CVE-2025-50952 (CVSS 6.5) — openjpeg v 2.5.0 was discovered to contain a NULL pointer dereference via the component /openjp2/dwt.c.…
    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