TI-2019-08929 Aliases CVE-2019-11924 GHSA-w38x-26w3-8j5j

Resource allocation without limits in Meta fizz

LOW 37CWE-770Published 2019-08-20 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-770.

Summary

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.

Why it matters now

EPSS 0.02399 84th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Meta	fizz	v2019.08.12.00; v2019.01.28.00 and later	—	No fix listed	CNA

fizz VendorMeta Affected v2019.08.12.00; v2019.01.28.00 and later Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:facebook:fizz::::::::	2019.01.28.00 – 2019.08.05.00	Vulnerable	Meta

cpe:2.3:a:facebook:fizz:*:*:*:*:*:*:*:* Versions 2019.01.28.00 – 2019.08.05.00 Vulnerable ·Meta

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-11924
2026-10-03 Alias added: GHSA-w38x-26w3-8j5j

References

Patch 2

Advisory 1

https://www.facebook.com/security/advisories/cve-2019-11924

TI-2023-09562 Reachable assertion in Meta fizz CVSS 3.1HIGH 7.5
TI-2019-02625 Infinite loop in Meta fizz CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences