CVE-2026-73434
mediumpriority · track · 0EPSS 0.001 · 4 %ileDEEUUSEPSS · scored 2026-10-27
A flaw was found in GStreamer gst-plugins-good (avidemux). In gst_avi_demux_riff_parse_vprp(), the number of available gst_riff_vprp_video_field_desc entries is calculated by dividing the remaining buffer size by the attacker-controlled vprp->fields value, rather than by sizeof(gst_riff_vprp_video_field_desc). This can cause the parser to treat more field descriptors as available than fit in the input buffer, resulting in out-of-bounds reads. Processing a crafted AVI via playbin/decodebin can crash the application (denial of service). Fixed upstream in gst-plugins-good 1.28.6 (GStreamer-SA-2026-0072).
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
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weaknesses
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affected products (18)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-2662GStreamer: Mehrere SchwachstellenDeutsch2026-08-05csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in GStreamer ausnutzen, um Daten zu beschädigen, einen Denial-of-Service-Zustand herbeizuführen, vertrauliche Informationen offenzulegen oder möglicherweise beliebigen Code auszuführen.
also known as (3)
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sources
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references (18)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/CVE-2026-73434cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2514807cnnvd
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/12231cnnvd
- https://gstreamer.freedesktop.org/security/sa-2026-0072.htmlcnnvd
- https://access.redhat.com/errata/RHSA-2026:55434enisa_euvd
- https://access.redhat.com/errata/RHSA-2026:55436enisa_euvd
- https://access.redhat.com/security/cve/CVE-2026-73434enisa_euvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2514807enisa_euvd
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