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Debian LTS Advisory DLA-4691-1 [email protected]
https://www.debian.org/lts/security/ Chris Lamb
July 20, 2026 https://wiki.debian.org/LTS
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Package : rtpengine
Version : 10.5.3.5-1+deb12u1
CVE ID : CVE-2025-53399
Debian Bug : 1110316
It was discovered that there was a origin-validation error in
rtpengine, an open-source media proxy for real-time audio and video
traffic.
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
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