CVE-2026-30999

Summary

A heap buffer overflow in the av_bprint_finalize() function of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://github.com/FFmpeg/FFmpeg/blob/master/tools/zmqsend.c
• https://ffmpeg.org/doxygen/7.0/zmqsend_8c_source.html
• https://www.ffmpeg.org/download.html
• https://excellent-oatmeal-319.notion.site/CVE-2026-30999-Memory-Leak-e0d88ac53e2e42c1b5ef9aa3497e27b6

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