Source: undertow Version: 2.3.18-2 Severity: important Tags: security upstream X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for undertow. CVE-2025-9784[0]: | A flaw was found in Undertow where malformed client requests can | trigger server-side stream resets without triggering abuse counters. | This issue, referred to as the "MadeYouReset" attack, allows | malicious clients to induce excessive server workload by repeatedly | causing server-side stream aborts. While not a protocol bug, this | highlights a common implementation weakness that can be exploited to | cause a denial of service (DoS). If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2025-9784 https://www.cve.org/CVERecord?id=CVE-2025-9784 [1] https://bugzilla.redhat.com/show_bug.cgi?id=2392306 Regards, Salvatore __ This is the maintainer address of Debian's Java team <https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/pkg-java-maintainers>. Please use [email protected] for discussions and questions.
