Vulnerability Key Information Vulnerability Type: Bug Priority: P2 Severity: S2 Status: Fixed CVE ID: CVE-2025-59734 Fix Date: August 22, 2025 Report Date: August 20, 2025 Product: ffmpeg Vendor: ffmpeg Vulnerability Details Description: In SANM decoding, using a carefully crafted animation and subversion < 2 may lead to a use-after-free write. Specific Details: When a STOR block exists, subsequent FOBJ blocks are saved in . The stored frame can be referenced by FTCH blocks. For files with subversion < 2, undecoded frames are stored and re-decoded during FTCH block parsing. Related Code Snippet