VulnerabilityAnalyzed

CVE-2025-32947

This vulnerability allows any attacker to cause the PeerTube server to stop responding to requests due to an infinite loop in the "inbox" endpoint when receiving crafted ActivityPub activities.

HIGH 7.5EPSS 0.75%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.75%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

This vulnerability allows any attacker to cause the PeerTube server to stop responding to requests due to an infinite loop in the "inbox" endpoint when receiving crafted ActivityPub activities.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.75% probability · 53th percentile
CISA KEV: Not listed
Weakness: CWE-835
Affected: framasoft/peertube
Source: reefs@jfrog.com

References

https://github.com/Chocobozzz/PeerTube/commit/76226d85685220db1495025300eca784d0336f7dPatch
https://github.com/Chocobozzz/PeerTube/releases/tag/v7.1.1Release Notes
https://research.jfrog.com/vulnerabilities/peertube-activitypub-crawl-dos/Exploit, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.