An out-of-bounds write vulnerability was found in GStreamer's H.266/VVC PPS picture partition parser in gst-plugins-bad. In the multi-slice-in-tile processing of gst_h266_parser_parse_picture_partition() (gsth266parser.c), the loop iterates without checking that the slice index stays within bounds, writing past three fixed-size arrays (slice_height_in_ctus, slice_top_left_ctu_x, slice_top_left_ctu_y) in the GstH266PPS structure. While the initial proof-of-concept demonstrated a 4-byte out-of-bounds write, the code permits larger writes across multiple iterations. A crafted H.266/VVC media file can trigger this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | All Versions ImpactedCNA affecteddefault affected | |
| Red Hat | Red Hat Enterprise Linux 7 | All Versions ImpactedCNA affecteddefault affected | |
| Red Hat | Red Hat Enterprise Linux 8 | All Versions ImpactedCNA affecteddefault affected | |
| Red Hat | Red Hat Enterprise Linux 9 | All Versions ImpactedCNA affecteddefault affected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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