CVE-2021-38381

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-08-10 · updated 2026-06-17
Weakness: CWE-416

Description

Live555 through 1.08 does not handle MPEG-1 or 2 files properly. Sending two successive RTSP SETUP commands for the same track causes a Use-After-Free and daemon crash.

Affected products

Live555: before 2021.08.09 — fixed in 2021.08.09

How to fix

Upgrade to a fixed version: Live555 2021.08.09. Check the vendor advisory for mitigations.

References

http://lists.live555.com/pipermail/live-devel/2021-August/021961.html
http://www.live555.com/liveMedia/public/changelog.txt#%5B2021.08.09%5D
http://lists.live555.com/pipermail/live-devel/2021-August/021961.html
http://www.live555.com/liveMedia/public/changelog.txt#%5B2021.08.09%5D

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