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    CVE-2026-52718

    A denial of service vulnerability was found in GStreamer's AV1 codec parser in gst-plugins-bad. The gst_av1_parser_parse_tile_list_obu() function passes a byte count to a bit-reader API that expects a bit count, causing parser desynchronization. A remote attacker could trick a user into opening a specially crafted AV1 media file, triggering an assertion abort and causing the application to crash.

    Published:Jun 15, 2026
    Last Modified:Jul 30, 2026
    EPS:Jun 15, 2026
    EPSS Score:0.00348
    CVSS Score:6.5

    Affected Products

    Vendor
    Gstreamer Project
    Product
    Gstreamer Plugin
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Eus
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Eus

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-617 Reachable Assertion

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-12891 (CVSS 4.3) — A flaw was found in the GStreamer gst-plugins-bad package. When processing a malformed H.266/VVC video stream …
    CVE-2026-12892 (CVSS 4.4) — A flaw was found in GStreamer's gst-plugins-bad package. When processing a specially crafted H.264 video file …
    CVE-2026-52719 (CVSS 7.1) — An out-of-bounds read vulnerability was found in the VA JPEG decoder in GStreamer's gst-plugins-bad. The JPEG …
    CVE-2026-52721 (CVSS 5.3) — Multiple out-of-bounds read vulnerabilities were found in GStreamer's pcapparse element. Malformed PCAP record…
    CVE-2026-52720 (CVSS 8.8) — A heap buffer overflow vulnerability was found in GStreamer's librfb (RFB/VNC client). The rectangle bounds ch…
    CVE-2026-52722 (CVSS 7.1) — A signed integer overflow vulnerability was found in GStreamer's VMnc decoder. A crafted VMnc stream with larg…
    CVE-2026-53704 (CVSS 7.1) — A flaw was found in GStreamer's RealMedia demuxer in the gst-plugins-ugly package. When processing a RealMedia…
    CVE-2026-53705 (CVSS 7.6) — A flaw was found in GStreamer's WavPack audio decoder in gst-plugins-good. When processing a specially crafted…

    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