CVE-2026-52295

Summary

FFmpeg before 9.0 has an out-of-bounds read because the copied extradata lacked required padding before GetBitContext-based access in libavformat/iamf_writer.c.

Affected Software

Weaknesses

• CWE-125: CWE-125 Out-of-bounds Read

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/Kenan-Kamel/VulnerabilitiesReference/tree/main/FFmpeg/ExtradataPadding
• https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22988
• https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/8439e0203744a30d280668fcd086f74ed5001da1

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