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    CVE-2025-55653

    GPAC MP4Box v2.4 was discovered to contain a floating point exception in the gf_parse_lfrac function (utils/error.c). Processing a crafted MP4 file containing a zero-denominator fraction string causes gf_parse_lfrac() to divide by zero, terminating the process with SIGFPE.

    Published:Oct 16, 2026
    Last Modified:Oct 23, 2026
    EPS:Oct 16, 2026
    EPSS Score:0.00121
    CVSS Score:5.5

    Affected Products

    Vendor
    Gpac
    Product
    Mp4box

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-369 Divide By Zero

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2025-60492 (CVSS 5.5) — A stack overflow in the gf_bifs_dec_node function (/bifs/field_decode.c) of GPAC Project/MP4Box before 2.5 all…
    CVE-2025-60489 (CVSS 5.5) — A NULL pointer dereference in the dasher_insert_timeline_entry function (/filters/dasher.c) of GPAC Project/MP…
    CVE-2025-60479 (CVSS 5.5) — A NULL pointer dereference in the StatSFVec2f function (/scene_manager/scene_stats.c) of GPAC Project/MP4Box b…
    CVE-2025-60478 (CVSS 5.5) — A use-after-free in the gf_filter_packet_destroy function (/filter_core/filter_pck.c) of GPAC Project/MP4Box b…
    CVE-2025-60497 (CVSS 5.5) — A segmentation violation in the GetESD function (/isomedia/track.c) of GPAC Project/MP4Box before 2.5 allows a…
    CVE-2025-60493 (CVSS 5.5) — A segmentation violation in the check_media_profile function (/mp4box/mp4box.c) of GPAC Project/MP4Box before …
    CVE-2025-71438 (CVSS 5.5) — An out-of-bounds read in gf_odf_ac4_cfg_dsi_v1 (/odf/descriptors.c) in GPAC Project/MP4Box before v26.07.0 all…
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    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