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8.6Alta

CVE-2026-58049FFmpeg - Out-of-Bounds Write in RASC Decoder decode_dlta()

FFmpeg FFmpeg; Red Hat Red Hat Enterprise Linux AI 3.0 for RHEL 9; Red Hat Red Hat Enterprise Linux AI 3.2 for RHEL 9; Red Hat Red Hat Enterprise Linux AI 3.3 … Publicada: (hace 4 meses)

Descripción

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.

Debilidad (CWE): CWE-787

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
enterprise linux ai 3.0 —
enterprise linux ai 3.2 —
enterprise linux ai 3.3 —
enterprise linux ai 3.5 —
FFmpeg FFmpeg all versions
openshift ai 3.4 —
Red Hat Red Hat AI Inference Server all versions
Red Hat Red Hat Enterprise Linux AI 3.0 for RHEL 9 all versions
Red Hat Red Hat Enterprise Linux AI 3.2 for RHEL 9 all versions
Red Hat Red Hat Enterprise Linux AI 3.3 for RHEL 9 all versions
Red Hat Red Hat Enterprise Linux AI 3.5 for RHEL 9 all versions
Red Hat Red Hat Enterprise Linux AI (RHEL AI) 3 all versions
Red Hat Red Hat OpenShift AI 3.4 all versions
Red Hat Red Hat OpenShift AI (RHOAI) all versions

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