---
cve: "CVE-2021-24029"
severity: "LOW"
cvss: 3.1
epss: "1.2%"
vendor: "Facebook"
kev: false
exploited: false
published: "2021-03-15 22:15:13"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T09:08:59+02:00"
---

# CVE-2021-24029

> 3.1 LOW · 🧪 PoC

## Beschreibung

A packet of death scenario is possible in mvfst via a specially crafted message during a QUIC session, which causes a crash via a failed assertion. Per QUIC specification, this particular message should be treated as a connection error. This issue affects mvfst versions prior to commit a67083ff4b8dcbb7ee2839da6338032030d712b0 and proxygen versions prior to v2021.03.15.00.

## Patch verfügbar (OSV)

- a67083ff4b8dcbb7ee2839da6338032030d712b0 (Commit)
- 5eecfbdf288eaa1f69de04211587b0becd6b8b30 (Commit)

## Referenzen

- <https://github.com/facebookincubator/mvfst/commit/a67083ff4b8dcbb7ee2839da6338032030d712b0>
- <https://www.facebook.com/security/advisories/cve-2021-24029>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-24029) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_