facebook Proxygen Vulnerabilities

Facebook Proxygen vulnerabilities.

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28 September 2026

Session Management Flaw in Proxygen Affecting Facebook's WebTransport Implementation
CVE-2026-91096
FacebookProxygen7.5HIGH
Memory Management Flaw in Proxygen by Facebook
CVE-2026-91095
FacebookProxygen5.3MEDIUM
Session Management Flaw in Proxygen from Facebook
CVE-2026-84895
FacebookProxygen7.3HIGH

23 July 2026

Remote Code Execution Vulnerability in Proxygen by Facebook
CVE-2026-44909
FacebookProxygen7.5HIGH

2 December 2025

Unbounded Memory Growth Vulnerability in Proxygen by Facebook
CVE-2025-55181
FacebookProxygen5.3MEDIUM

15 March 2021

Packet of Death Vulnerability in mvfst by Facebook Incubator
CVE-2021-24029
FacebookMvfst7.5HIGH

18 May 2020

Use-After-Free Vulnerability in Proxygen by Facebook
CVE-2020-1897
FacebookProxygen9.8CRITICAL

4 December 2019

Decompression Vulnerability in Proxygen HTTP2 by Facebook
CVE-2019-11940
FacebookProxygen9.8CRITICAL

25 July 2019

Out of Bounds Write Vulnerability in Proxygen by Facebook
CVE-2019-11921
FacebookProxygen9.8CRITICAL

31 December 2018