CVE detail
CVE-2026-64834
FFmpeg versions 0.6.3 through 8.1.2 contain an infinite loop vulnerability in the RTP/ASF demuxer within libavformat/rtpdec_asf.c that allows remote attackers to cause denial of service by sending a crafted RTP/ASF stream. The rtp_asf_fix_header function fails to validate a minimum chunksize when iterating over ASF objects, causing the loop pointer to never advance when a chunksize is smaller than the 24-byte minimum ASF object header size, resulting in CPU exhaustion that denies service to legitimate users.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 13.9 · diversity 10.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 3
- within the 30d window
- Peak daily
- 3
- highest bucket
Evidence
Source links by recency
3 source links · newest first
No excerpt available.
Exploitwww.vulncheck.comJul 22, 2026, 6:17 PM- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23663code.ffmpeg.org
No excerpt available.
Patchcode.ffmpeg.orgJul 22, 2026, 6:17 PM - https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/11d5f475be95d22d5f0692220cc772b116abc632code.ffmpeg.org
No excerpt available.
Patchcode.ffmpeg.orgJul 22, 2026, 6:17 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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