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CVE-2026-27017

🗓️ 20 Feb 2026 02:47:17Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 8 Views

uTLS had a fingerprint mismatch with Chrome GREASE Encrypted ClientHello, mixing AES outer with ChaCha20 Encrypted ClientHello; fixed in version 1.8.1.

Related
Packages
OSOS VersionArchitecturePackagePackage VersionFilename
Debian11anygolang-refraction-networking-utls0golang-refraction-networking-utls_0_any.deb
Debian12anygolang-refraction-networking-utls0golang-refraction-networking-utls_0_any.deb
Debian13anygolang-refraction-networking-utls0golang-refraction-networking-utls_0_any.deb
Debian14anygolang-refraction-networking-utls0golang-refraction-networking-utls_0_any.deb
Debian999anygolang-refraction-networking-utls0golang-refraction-networking-utls_0_any.deb

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20 Feb 2026 02:47Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.15.3
CVSS 42.3
EPSS0.00154
SSVC
8