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    CVE-2026-52722

    A signed integer overflow vulnerability was found in GStreamer's VMnc decoder. A crafted VMnc stream with large cursor dimensions can overflow signed integer payload-size arithmetic, bypassing a length check and leading to out-of-bounds reads. A remote attacker could trick a user into opening a specially crafted VMnc file, potentially causing a crash or information disclosure.

    Published:Jun 15, 2026
    Last Modified:Aug 3, 2026
    EPS:Jun 15, 2026
    EPSS Score:0.00392
    CVSS Score:7.1

    Affected Products

    Vendor
    Gstreamer Project
    Product
    Gstreamer Plugin
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Eus
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Els
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Eus Long Life
    Vendor
    Redhat
    Product
    Rhel Tus

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    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-2026-52718 (CVSS 6.5) — A denial of service vulnerability was found in GStreamer's AV1 codec parser in gst-plugins-bad. The gst_av1_pa…
    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…

    References

    https://access.redhat.com/errata/RHSA-2026:36749
    https://access.redhat.com/errata/RHSA-2026:36834
    https://access.redhat.com/errata/RHSA-2026:37130
    https://access.redhat.com/errata/RHSA-2026:47069
    https://access.redhat.com/errata/RHSA-2026:47070
    https://access.redhat.com/errata/RHSA-2026:47071
    https://access.redhat.com/errata/RHSA-2026:47075
    https://access.redhat.com/errata/RHSA-2026:47076
    https://access.redhat.com/errata/RHSA-2026:47176
    https://access.redhat.com/errata/RHSA-2026:47717
    https://access.redhat.com/errata/RHSA-2026:47718
    https://access.redhat.com/errata/RHSA-2026:49517
    https://access.redhat.com/security/cve/CVE-2026-52722
    https://bugzilla.redhat.com/show_bug.cgi?id=2486733
    https://gitlab.freedesktop.org/gstreamer/gstreamer/-/work_items/5107
    https://access.redhat.com/errata/RHSA-2026:36749
    https://access.redhat.com/errata/RHSA-2026:36834
    https://access.redhat.com/errata/RHSA-2026:37130
    https://access.redhat.com/errata/RHSA-2026:47069
    https://access.redhat.com/errata/RHSA-2026:47070
    https://access.redhat.com/errata/RHSA-2026:47071
    https://access.redhat.com/errata/RHSA-2026:47075
    https://access.redhat.com/errata/RHSA-2026:47076
    https://access.redhat.com/errata/RHSA-2026:47176
    https://access.redhat.com/errata/RHSA-2026:47717
    https://access.redhat.com/errata/RHSA-2026:47718
    https://access.redhat.com/errata/RHSA-2026:49517
    https://access.redhat.com/security/cve/CVE-2026-52722
    https://bugzilla.redhat.com/show_bug.cgi?id=2486733
    https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52722.json

    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