A libsndfile security update has been released for CentOS 7.

CESA-2021:3295 Important CentOS 7 libsndfile Security Update

CentOS Errata and Security Advisory 2021:3295 Important

Upstream details at :   https://access.redhat.com/errata/RHSA-2021:3295

The following updated files have been uploaded and are currently
syncing to the mirrors: ( sha256sum Filename )

x86_64:
d161a8ffe0e1f9856548b6a48619295b25351949a76f0c3447034360be168304 libsndfile-1.0.25-12.el7_9.1.i686.rpm
1b3f8f389416ac835d75a09fd6027e44daad1e8447c349cac349b674506ce80f libsndfile-1.0.25-12.el7_9.1.x86_64.rpm
7e6cf4cf5a25112c185e8d9c2750ce650787af37ded646d8d3923984a1868673 libsndfile-devel-1.0.25-12.el7_9.1.i686.rpm
c18739f0ff30069eb1e908fc713e8ef1e7fa3a75c981a8b45cd1383597e8a1e9 libsndfile-devel-1.0.25-12.el7_9.1.x86_64.rpm
4d2980f737ca5c15f4f33e1a43a82d6b00ca06a5c6d284643ea2f0b2e7928f76 libsndfile-utils-1.0.25-12.el7_9.1.x86_64.rpm

Source:
e9a79f586e5dd346bf8872253a3ca438f11d33e30c3ee6fb9c0cf0b3b4c75781 libsndfile-1.0.25-12.el7_9.1.src.rpm