CVE-2026-19879

A flaw was found in Undertow, an HTTP server, within its HTTP response header writing path. The writeString method performs a silent narrowing cast from 16-bit Unicode characters to 8-bit bytes when writing HTTP response header values. A remote attacker can exploit this by supplying specific...

EUVD-2026-58670

A flaw was found in Undertow, an HTTP server, within its HTTP response header writing path. The writeString method performs a silent narrowing cast from 16-bit Unicode characters to 8-bit bytes when writing HTTP response header values. A remote attacker can exploit this by supplying specific...

CVE-2026-19879

A flaw was found in Undertow, an HTTP server, within its HTTP response header writing path. The writeString method performs a silent narrowing cast from 16-bit Unicode characters to 8-bit bytes when writing HTTP response header values. A remote attacker can exploit this by supplying specific...

CVE-2026-48758

A flaw was found in the @sigstore/core component. The preAuthEncoding function incorrectly uses Node.js 'ascii' encoding when converting Pre-Authentication Encoding PAE strings to bytes. This encoding truncates Unicode characters to their low byte, allowing an attacker to substitute characters in...