In GNOME grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the SoupSessionAsync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.
Created grilo tracking bugs for this issue:
Affects: fedora-all [bug 1997162]
Fedora 33 update:
That was the last supported version of Fedora to be potentially vulnerable.
RHEL 9 is not affected as the patch listed above has been applied. However, RHEL 8.5.0 and below is affected by this and should have the patch applied but is delegated to the engineering teams.
This issue has been addressed in the following products:
Red Hat Enterprise Linux 8
Via RHSA-2021:4339 https://access.redhat.com/errata/RHSA-2021:4339
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):