FORT Validator versions prior to 1.5.2 will crash if an RPKI CA publishes an X.509 EE certificate. This will lead to RTR clients such as BGP routers to lose access to the RPKI VRP data set, effectively disabling Route Origin Validation.
github.com/NICMx/FORT-validator/commit/274dc14aed1eb9b3350029d1063578a6b9c77b54
github.com/NICMx/FORT-validator/commit/425e0f4037b4543fe8044ac96ca71d6d02d7d8c5
github.com/NICMx/FORT-validator/commit/673c679b6bf3f4187cd5242c31a795bf8a6c22b3
github.com/NICMx/FORT-validator/commit/eb68ebbaab50f3365aa51bbaa17cb862bf4607fa
github.com/NICMx/FORT-validator/releases/tag/1.5.2
www.debian.org/security/2021/dsa-5033