I think there are following false positives on Debian with installed FreePBX 17.
Details: Debian: Security Advisory (DSA-5748-1) OID: 1.3.6.1.4.1.25623.1.1.1.1.2024.5748
Vulnerable package: ffmpeg
Installed version: 5.1.6-12.sng12
Fixed version: >=7:5.1.6-0+deb12u1
Details: Debian: Security Advisory (DSA-5552-1) OID: 1.3.6.1.4.1.25623.1.1.1.1.2023.5552
Vulnerable package: ffmpeg
Installed version: 5.1.6-12.sng12
Fixed version: >=7:5.1.4-0+deb12u1
Details: Debian: Security Advisory (DSA-5712-1) OID: 1.3.6.1.4.1.25623.1.1.1.1.2024.5712
Vulnerable package: ffmpeg
Installed version: 5.1.6-12.sng12
Fixed version: >=7:5.1.5-0+deb12u1