CVE-2026-27017

uTLS is a fork of crypto/tls, created to customize ClientHello for fingerprinting resistance while still using it for the handshake. Versions 1.6.0 through 1.8.0 contain a fingerprint mismatch with Chrome when using GREASE ECH, related to cipher suite selection. When Chrome selects the preferred...

PT-2026-20790

Name of the Vulnerable Software and Affected Versions Chrome versions prior to the fix commit 8fe0b08e9a0e7e2d08b268f451f2c79962e6acd0 Description An incorrect removal of padding extension in utls for the non-pq variant of the HelloChrome 120 fingerprint. Chrome only removed this extension when...