In GNOME libgfbgraph through 0.2.4, gfbgraph-photo.c does not enable TLS certificate verification on the SoupSessionSync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-39358
• https://blogs.gnome.org/mcatanzaro/2021/05/25/reminder-soupsessionsync-and-soupsessionasync-default-to-no-tls-certificate-verification/
• https://gitlab.gnome.org/GNOME/libgfbgraph/-/issues/17
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GRCVZUNPTNFQQQCEZVP7RYY6OKHPDBC5/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UYI47UX6S5PAOWVWQ2KID64MCTXTH7SE/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WXXAF56BYLSES4UCLXKFCODZXTNAZ2G6/