CVE ID :CVE-2026-58049
Published : June 28, 2026, 1:32 a.m. | 18 hours, 27 minutes ago
Description :FFmpeg’s RASC video decoder (decode_dlta in libavcodec/rasc.c) performs 32-bit reads and writes at the row cursor before the NEXT_LINE row-boundary check and validates the DLTA region in pixel rather than byte units, so a DLTA run on a PAL8 frame can access several bytes past the row allocation. A crafted media stream using the RASC FourCC, decoded by libavcodec, triggers a bitstream-controlled out-of-bounds heap write and adjacent out-of-bounds read, leading to memory corruption.
Severity: 8.8 | HIGH
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