The libsrtp package provides an implementation of the Secure Real-time Transport Protocol , the Universal Security Transform , and a supporting cryptographic kernel. Security Fix: * libsrtp: improper handling of CSRC count and extension header length in RTP header * libsrtp: buffer overflow in application of crypto profiles For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.