CVE-2026-125268FFmpeg through 9.0.2 Uninitialized Heap Memory Disclosure in CFHD Decoder

Açıklama

FFmpeg through 9.0.2 contains an uninitialized memory disclosure vulnerability in the CineForm HD decoder that allows attackers to leak heap memory via unzeroed idwt_tmp buffers in libavcodec/cfhd.c. Attackers can supply a crafted CFHD file with an ImageHeight tag exceeding coded band heights, causing uninitialized heap bytes to be filtered into decoded video output.

Veri: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Bilgiler kaynaktaki haliyle, İngilizce yayımlanır.

Etkilenen ürünler ve sürümler

Kaynaklar ve yamalar

• https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25718 issue-tracking
• Patch Commit patch
• https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/cfhd.c#L292 technical-description
• https://github.com/FFmpeg/FFmpeg product
• VulnCheck Advisory: FFmpeg through 9.0.2 Uninitialized Heap Memory Disclosure in CFHD Decoder third-party-advisory