A perl security update has been released for CentOS 7.

CESA-2021:0343 Moderate CentOS 7 perl Security Update

CentOS Errata and Security Advisory 2021:0343 Moderate

Upstream details at :   https://access.redhat.com/errata/RHSA-2021:0343

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

x86_64:
02cad16355e1d26c8bd3d5c772f181d7659d048dff3d0ae06e95050139572deb perl-5.16.3-299.el7_9.x86_64.rpm
816ca6511f010052482e88ab2a3bafd3be37b7f6544e98aa51c2e521eea8ab26 perl-core-5.16.3-299.el7_9.x86_64.rpm
a85e9e7ec0cfd813ac23ae166540cb1ddbf0a4789afa4784dbb9d8f3c07ce5fe perl-CPAN-1.9800-299.el7_9.noarch.rpm
840f1eeb8f5f65eb3e144edba32348ee678812d22065a6e75c237879369172b3 perl-devel-5.16.3-299.el7_9.i686.rpm
ed34b500e7e1951b8208f45e26b323c12c4fe5f89a8823445ddeeb1f28d5e93e perl-devel-5.16.3-299.el7_9.x86_64.rpm
c1de6a4cb5385396b3e8ffd02b9cdbcb0a79b12b5db809d846de74cd4322d1a3 perl-ExtUtils-CBuilder-0.28.2.6-299.el7_9.noarch.rpm
6c91bb92ae5a0ac8598c4281307b9ca0d51ba4690e5f6927ebd9bc857c360de6 perl-ExtUtils-Embed-1.30-299.el7_9.noarch.rpm
03c52d5fc8024d804e827e048d07e835a984ac5f5d9391614c51b0905c9772a0 perl-ExtUtils-Install-1.58-299.el7_9.noarch.rpm
ddc9339c832234c2d2d9c946d96c23c6d1fe5ea3a34710694d2a8bd819d4b8f3 perl-IO-Zlib-1.10-299.el7_9.noarch.rpm
5ce2a0af968d496cf93f82d5106b30e2f55b8df48349636d27dfb49c14f8905b perl-libs-5.16.3-299.el7_9.i686.rpm
3a16156819b55d3d9e234fe19ee8f016b2394f4d77627ba4be2bfe06f19a148f perl-libs-5.16.3-299.el7_9.x86_64.rpm
d357914edfc5e38eb99a385b00d0fb43d1c581d9af1d12406c5dbae63542e08e perl-Locale-Maketext-Simple-0.21-299.el7_9.noarch.rpm
0ba33a407f36442d9f5f526712fe0c940b67897540b9e10a14271928cffed297 perl-macros-5.16.3-299.el7_9.x86_64.rpm
6bc5d11d6925535123b8762c2ad80e64d81a9fc384b6def702e2585966637c24 perl-Module-CoreList-2.76.02-299.el7_9.noarch.rpm
73ea554de089905aab93ded3a974f753899d2b8f0f3f3044d9f41d44a86324db perl-Module-Loaded-0.08-299.el7_9.noarch.rpm
36101de00585de431de07579343b064018d049adcaa3bb90ae0c55e997d8e1a8 perl-Object-Accessor-0.42-299.el7_9.noarch.rpm
f83a9cc23d159877dba95b62d685edf3a6968d8d968732049c688fe7d49777d4 perl-Package-Constants-0.02-299.el7_9.noarch.rpm
01fb0c20e028f3f34cb3fc42c0360980946fc9b2e0f4b1cfcbe93c2777912606 perl-Pod-Escapes-1.04-299.el7_9.noarch.rpm
4a2de0d15d4fadd42283d48bfb0d4abea9092c5e82e168374e117d6b6d7b27d4 perl-tests-5.16.3-299.el7_9.x86_64.rpm
16c4eac47cfb42c7b2453290f21172024727ffd7444425d48a2170493b43db78 perl-Time-Piece-1.20.1-299.el7_9.x86_64.rpm

Source:
2cff7a1c191c00f46f530baa03c58c1312558d92a92133d4ccc5a84d442723d1 perl-5.16.3-299.el7_9.src.rpm