CVE-2019-11924

Name: CVE-2019-11924
Creator: NVD / NIST
Published: 2019-08-20T20:15:11.29+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.40%

Last modified Jun 17, 2026

CVE-2019-11924 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.40% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.40%

81.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Facebook	Fizz	>= 2019.01.28.00, <= 2019.08.05.00

References

https://github.com/facebookincubator/fizz/commit/3eaddb33619eaaf74a760872850c550ad8f5c52fPatch, Third Party Advisory
https://github.com/facebookincubator/fizz/commit/6bf67137ef1ee5cd70c842b014c322b7deaf994bPatch, Third Party Advisory
https://www.facebook.com/security/advisories/cve-2019-11924Vendor Advisory
https://github.com/facebookincubator/fizz/commit/3eaddb33619eaaf74a760872850c550ad8f5c52fPatch, Third Party Advisory
https://github.com/facebookincubator/fizz/commit/6bf67137ef1ee5cd70c842b014c322b7deaf994bPatch, Third Party Advisory
https://www.facebook.com/security/advisories/cve-2019-11924Vendor Advisory

Timeline

Published: Aug 20, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-11924?

How severe is CVE-2019-11924?

Severity scoring for CVE-2019-11924 is pending analysis. The EPSS model estimates a 2.40% probability of exploitation in the next 30 days.

How do I fix CVE-2019-11924?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-11924?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST