CVE-2025-53634 SUSE CVE security@suse.de SUSE Security Team SUSE CVE-2025-53634 Interim 1 2 2025-11-02T00:17:06Z current 2025-08-05T23:14:37Z 2025-11-02T00:17:06Z cve-database/bin/generate-cvrf-cve.pl 2020-12-27T01:00:00Z CVE-2025-53634 Chall-Manager is a platform-agnostic system able to start Challenges on Demand of a player. The HTTP Gateway processes headers, but with no timeout set. With a slow loris attack, an attacker could cause Denial of Service (DoS). Exploitation does not require authentication nor authorization, so anyone can exploit it. It should nonetheless not be exploitable as it is highly recommended to bury Chall-Manager deep within the infrastructure due to its large capabilities, so no users could reach the system. Patch has been implemented by commit 1385bd8 and shipped in v0.1.4. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). https://www.suse.com/support/security/rating/ SUSE Security Ratings SUSE Linux Enterprise Server 16.0 openSUSE Tumbleweed govulncheck-vulndb-0.0.20250730T213748-1.1 govulncheck-vulndb-0.0.20250814T182633-160000.1.2 govulncheck-vulndb-0.0.20250814T182633-160000.1.2 as a component of SUSE Linux Enterprise Server 16.0 govulncheck-vulndb-0.0.20250730T213748-1.1 as a component of openSUSE Tumbleweed Chall-Manager is a platform-agnostic system able to start Challenges on Demand of a player. The HTTP Gateway processes headers, but with no timeout set. With a slow loris attack, an attacker could cause Denial of Service (DoS). Exploitation does not require authentication nor authorization, so anyone can exploit it. It should nonetheless not be exploitable as it is highly recommended to bury Chall-Manager deep within the infrastructure due to its large capabilities, so no users could reach the system. Patch has been implemented by commit 1385bd8 and shipped in v0.1.4. CVE-2025-53634 SUSE Linux Enterprise Server 16.0:govulncheck-vulndb-0.0.20250814T182633-160000.1.2 openSUSE Tumbleweed:govulncheck-vulndb-0.0.20250730T213748-1.1 important