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    CVE-2026-52296

    FFmpeg before 9.0 has an out-of-bounds read because of missing required padding in WMA extradata allocation paths in libavcodec/wmaenc.c.

    Published:Sep 13, 2026
    Last Modified:Sep 15, 2026
    EPS:Sep 13, 2026
    EPSS Score:0.00158
    CVSS Score:2.9

    Affected Products

    Vendor
    Ffmpeg
    Product
    Ffmpeg

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2026-120247 (CVSS 6.8) — FFmpeg 2.3 through 9.0.2 contains a use of uninitialized resource vulnerability in the Huffyuv decoder that al…
    CVE-2026-120246 (CVSS 6.8) — FFmpeg 4.4 through 9.0.2 contains a use of uninitialized variable vulnerability in the CDXL decoder that leaks…
    CVE-2026-120244 (CVSS 6.8) — FFmpeg 2.1 through 9.0.2 contains a use of uninitialized resource vulnerability in the PCX decoder that allows…
    CVE-2026-120245 (CVSS 6.8) — FFmpeg 0.10 through 9.0.2 contains a use of uninitialized resource vulnerability in sunrast_decode_frame() tha…
    CVE-2026-120243 (CVSS 6.8) — FFmpeg 2.0 through 9.0.2 contains a use of uninitialized variable vulnerability in the Go2Meeting decoder that…
    CVE-2026-120210 (CVSS 5.3) — FFmpeg 5.0 through 9.0.2 contains a path traversal vulnerability in the IMF demuxer that allows attackers to o…
    CVE-2025-52290 (CVSS 7.5) — A NULL pointer dereference in the avpriv_h264_has_num_reorder_frames function of Ffmpeg version N-119856-gbe46…
    CVE-2026-107698 (CVSS 5.3) — FFmpeg before 7.1.4 and 8.0.x before 8.0.2 contains a server-side request forgery vulnerability in ff_rtsp_con…
    CVE-2026-107697 (CVSS 5.3) — FFmpeg before 8.1.3 contains a protection mechanism failure in the HLS demuxer that allows attackers to bypass…
    CVE-2026-107696 (CVSS 7.1) — FFmpeg through 9.0.2 contains an infinite loop vulnerability in ff_rtsp_connect() in libavformat/rtsp.c that f…

    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