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CVE-2019-17023

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CVE-2019-17023

Published: Jan 8, 2020

Modified: Aug 5, 2024

PUBLISHED

Description

After a HelloRetryRequest has been sent, the client may negotiate a lower protocol that TLS 1.3, resulting in an invalid state transition in the TLS State Machine. If the client gets into this state, incoming Application Data records will be ignored. This vulnerability affects Firefox < 72.

VendorProductVersions

Mozilla

Firefox

affected
before 72

References

USN-4234-1
vendor-advisory
x_refsource_UBUNTU
USN-4397-1
vendor-advisory
x_refsource_UBUNTU
DSA-4726
vendor-advisory
x_refsource_DEBIAN

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