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Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2026-18299

CVE-2026-18299: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Red Hat

1 advisory
  • Advisory severityHigh8.8

    High [CVE-2026-18299] Remote Code Execution via Use-After-Free in rtpsbcdepay

    CVE-2026-18299Source published Source updated

    A flaw was found in GStreamer. This use-after-free vulnerability in the rtpsbcdepay element, specifically during the processing of Real-time Transport Protocol (RTP) payload elements, allows a remote attacker to execute arbitrary code. The issue arises from a lack of validation for an object's existence before operations are performed on it. Successful exploitation can lead to arbitrary code execution within the context of the current process. Red Hat severity: Important — CVSS 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-386. Affected Red Hat products: Red Hat Enterprise Linux AppStream EUS (v. Red Hat lists Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7 as not affected. Red Hat fixing advisory: RHSA-2026:71650, RHSA-2026:59972, RHSA-2026:59179…

    Affected products in this advisory
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0)
    • Red Hat Enterprise Linux AppStream (v. 10)
    • Red Hat Enterprise Linux AppStream (v. 8)
    • Red Hat Enterprise Linux AppStream E4S (v.9.2)

    9 more entries in the full advisory.

    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    • gstreamer1-plugins-good-0:1.24.11-1.el10_0.7.src
    • gstreamer1-plugins-good-0:1.26.7-2.el10_2.8.src
    • gstreamer1-plugins-good-0:1.16.1-7.el8_10.7.src
    • gstreamer1-plugins-good-0:1.18.4-8.el9_2.6.src

    10 more entries in the full advisory.

    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Workarounds
    • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    Full advisory and evidenceOpen source bulletin

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