stunnel 4.0.3 and earlier allows attackers to cause a denial of service (crash) via SIGCHLD signal handler race conditions that cause an inconsistency in the child counter.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Stunnel | Stunnel | 4.04 (including) | 4.04 (including) |
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | RedHat | * | |
Red Hat Enterprise Linux ES version 2.1 | RedHat | * | |
Red Hat Enterprise Linux WS version 2.1 | RedHat | * | |
Red Hat Linux 7.1 | RedHat | * | |
Red Hat Linux 7.1 | RedHat | * | |
Red Hat Linux 7.2 | RedHat | * | |
Red Hat Linux 7.2 | RedHat | * | |
Red Hat Linux 7.3 | RedHat | * | |
Red Hat Linux 7.3 | RedHat | * | |
Red Hat Linux 8.0 | RedHat | * | |
Red Hat Linux 8.0 | RedHat | * | |
Red Hat Linux Advanced Workstation 2.1 | RedHat | * |