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    CVE-2019-6988

    An issue was discovered in OpenJPEG 2.3.0. It allows remote attackers to cause a denial of service (attempted excessive memory allocation) in opj_calloc in openjp2/opj_malloc.c, when called from opj_tcd_init_tile in openjp2/tcd.c, as demonstrated by the 64-bit opj_decompress.

    Published:Jan 17, 2019
    Last Modified:Nov 21, 2024
    EPS:Jan 28, 2019
    EPSS Score:0.00327
    CVSS Score:6.5

    Affected Products

    Vendor
    Uclouvain
    Product
    Openjpeg

    Exploits

    https://github.com/uclouvain/openjpeg/issues/1178https://github.com/uclouvain/openjpeg/issues/1178

    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-2025-54874 (CVSS 6.6) — OpenJPEG is an open-source JPEG 2000 codec. In OpenJPEG from 2.5.1 through 2.5.3, a call to opj_jp2_read_heade…
    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…

    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