Source: undertow X-Debbugs-CC: [email protected] Severity: important Tags: security
Hi, The following vulnerability was published for undertow. CVE-2026-28367[0]: | A flaw was found in Undertow. A remote attacker can exploit this | vulnerability by sending `\r\r\r` as a header block terminator. This | can be used for request smuggling with certain proxy servers, such | as older versions of Apache Traffic Server and Google Cloud Classic | Application Load Balancer, potentially leading to unauthorized | access or manipulation of web requests. https://bugzilla.redhat.com/show_bug.cgi?id=2443260 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-2026-28367 https://www.cve.org/CVERecord?id=CVE-2026-28367 Please adjust the affected versions in the BTS as needed. __ 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.
