CVE-2025-48219: Insertion of Sensitive Information Into Sent Data

O2 UK before 2025-05-19 allows subscribers to determine the Cell ID of other subscribers by initiating an IMS IP Multimedia Subsystem call and then reading the utran-cell-id-3gpp field of a Cellular-Network-Info SIP header, aka an ECI E-UTRAN Cell Identity leak. The Cell ID might be usable to...