CVE-2026-18649
A flaw was found in the GStreamer gst-plugins-good package. The rtph264depay and rtph265depay RTP depayloader elements do not enforce a maximum size limit on the reassembly buffer used during fragmented RTP packet processing. A remote, unauthenticated attacker can send a continuous stream of RTP fragments without ever transmitting an end-of-fragment marker, causing the reassembly buffer to grow without bound until process memory is exhausted. This results in a denial of service through process termination.
Debilidad
A flaw was found in the GStreamer gst-plugins-good package. The rtph264depay and rtph265depay RTP depayloader elements do not enforce a maximum size limit on the reassembly buffer used during fragmented RTP packet processing. A remote, unauthenticated attacker can send a continuous stream of RTP fragments without ever transmitting an end-of-fragment marker, causing the reassembly buffer to grow without bound until process memory is exhausted. This results in a denial of service through process termination.
Referencias
- https://0xsemizzz.vercel.app/projects/cve-2026-18649-gstreamer-rtp-dos/
- https://access.redhat.com/errata/RHSA-2026:53451
- https://access.redhat.com/errata/RHSA-2026:53452
- https://access.redhat.com/errata/RHSA-2026:56966
- https://access.redhat.com/errata/RHSA-2026:61588
- https://access.redhat.com/errata/RHSA-2026:61943
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