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Alerts This Week
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Debian rtpengine Critical Origin Validation Issue DLA-4691-1 CVE-2025-53399

debian lts
Calendar Grey July 21, 2026
Scroller Debian Lts
A critical security update for rtpengine on Debian LTS addresses an origin-validation error allowing remote attacks via RTP.
It was discovered that there was a origin-validation error in rtpengine, an open-source media proxy for real-time audio and video traffic
Topics%20covered

Topics Covered

security advisory critical remote attack deblts origin-validation error media proxy

Summary

CVE-2025-53399

The endpoint-learning logic of the media-relay core could have
allowed an remote attacker to inject or intercept media streams
via malicious RTP packets.

For Debian 12 bookworm, this problem has been fixed in version
10.5.3.5-1+deb12u1.

We recommend that you upgrade your rtpengine packages.

For the detailed security status of rtpengine please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/rtpengine

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS



Severity
critical
Lowest
Low
Medium
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Critical

Package: rtpengine
Version: 10.5.3.5-1+deb12u1
CVE ID: CVE-2025-53399
Debian Bug: 1110316

Topics%20covered

Topics Covered

security advisory critical remote attack deblts origin-validation error media proxy

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