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Advisories

FFmpeg through 9.0.2 Excessive Memory Allocation via Interplay ACM Decoder

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Severity
medium
Date
Affecting

  • FFmpeg <= 9.0.2

CWE
  • CWE-789 Memory Allocation with Excessive Size Value
CVSS
6.8
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Joshua Rogers (AISLE Research), Michael Niedermayer
Description
FFmpeg through 9.0.2 contains an uncontrolled memory allocation vulnerability in the Interplay ACM decoder that allows attackers to exhaust memory via an attacker-controlled block size. Attackers can supply a crafted ACM file with maximum level and row count in extradata, making decode_init() allocate nearly a gigabyte and deny service.

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