What is CVE-2024-36615?

CVE-2024-36615 is a medium-severity vulnerability in Ffmpeg, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.9/10. Published 2024-11-29.

How severe is CVE-2024-36615?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Ffmpeg

CVE-2024-36615

FFmpeg n7.0 has a race condition vulnerability in the VP9 decoder. This could lead to a data race if video encoding parameters were being exported, as the side data would be attached in the decoder thread while being read in the output thread.

Vulnerability class: Race Condition

Published 2024-11-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (35.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Ffmpeg — versions 7.0

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

github.com/ffmpeg/ffmpeg/commit/0ba058579f332b3060d8470a04ddd3fbf305be61 (Patch)
github.com/FFmpeg/FFmpeg/blob/n7.0/libavcodec/vp9.c (Product)
gist.github.com/1047524396/c44e5eaafa8f408eea0c9411205990fb (Third Party Advisory)

Frequently asked questions

What is CVE-2024-36615?: CVE-2024-36615 is a medium-severity vulnerability in Ffmpeg, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.9/10. Published 2024-11-29.
How severe is CVE-2024-36615?: Medium severity. CVSS v3 base score is 5.9 out of 10.