CVE-2019-11924

Description

A peer could send empty handshake fragments containing only padding which would be kept in memory until a full handshake was received, resulting in memory exhaustion. This issue affects versions v2019.01.28.00 and above of fizz, until v2019.08.05.00.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.51%
Vendor Advisory facebook.com
Affected: Facebook fizz
Published at:
Updated at:

References

Link Tags
https://github.com/facebookincubator/fizz/commit/6bf67137ef1ee5cd70c842b014c322b7deaf994b third party advisory patch
https://github.com/facebookincubator/fizz/commit/3eaddb33619eaaf74a760872850c550ad8f5c52f third party advisory patch
https://www.facebook.com/security/advisories/cve-2019-11924 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-11924?
CVE-2019-11924 has been scored as a high severity vulnerability.
How to fix CVE-2019-11924?
To fix CVE-2019-11924, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11924 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-11924 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-11924?
CVE-2019-11924 affects Facebook fizz.
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