CVE-2019-5754

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-02-19 · updated 2026-06-17
Weakness: CWE-327

Description

Implementation error in QUIC Networking in Google Chrome prior to 72.0.3626.81 allowed an attacker running or able to cause use of a proxy server to obtain cleartext of transport encryption via malicious network proxy.

Affected products

Debian Linux: 9.0
Fedoraproject Fedora: 29, 30
Google Chrome: before 72.0.3626.81 — fixed in 72.0.3626.81
RedHat Enterprise Linux Desktop: 6.0
RedHat Enterprise Linux Server: 6.0
RedHat Enterprise Linux Workstation: 6.0

How to fix

Upgrade to a fixed version: Google Chrome 72.0.3626.81. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/106767
https://access.redhat.com/errata/RHSA-2019:0309
https://chromereleases.googleblog.com/2019/01/stable-channel-update-for-desktop.html
https://crbug.com/914497
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JVFHYCJGMZQUKYSIE2BXE4NLEGFGUXU5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQOP53LXXPRGD4N5OBKGQTSMFXT32LF6/
https://www.debian.org/security/2019/dsa-4395
http://www.securityfocus.com/bid/106767
https://access.redhat.com/errata/RHSA-2019:0309
https://chromereleases.googleblog.com/2019/01/stable-channel-update-for-desktop.html
https://crbug.com/914497
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JVFHYCJGMZQUKYSIE2BXE4NLEGFGUXU5/

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