Thanks for all of the replies,

The list of affected packages I've provided was generated using the 'dnf repoquery --alldeps --whatrequires pcre'

Is this command giving the right output or should I use another? If so which one?

389-ds-base
adanaxisgpl
aide
aircrack-ng
anope
bti
ccze
cegui
cegui06
clisp
clover2
coccinelle
compton
condor
cppcheck
cyrus-imapd
EMBOSS
eterm
ettercap
Falcon
freeradius
ganglia
ghc-highlighting-kate
GMT
gnome-builder
gnome-text-editor
grep
groonga
haxe
hydra
i3
i3-gaps
imapfilter
Io-language
kdelibs
kdelibs3
kf5-kjs
kismet
libast
liblognorm
libmodsecurity
libprelude
lnav
mle
mod_auth_openid
mod_auth_openidc
mod_qos
mod_security
monotone
ncid
nekovm
ngrep
nmap
octave
openCOLLADA
openscap
opensips
pads
pdfgrep
perl-HTML-Template-Pro
perl-re-engine-PCRE
picom
pl
poco
postfix
powwow
prboom-plus
prelude-lml
privoxy
python-qutepart
python-scss
rasqal
regexxer
root
rudiments
slang
sord
sslh
suricata
sway
swig
syncevolution
syslog-ng
the_foundation
the_silver_searcher
Thunar
tin
tintin
tinyfugue
trafficserver
uwsgi
vdr-epgfixer
watchman
wmweather+
xastir
xfce4-verve-plugin
xgrep
xmlcopyeditor
zabbix
zsh