CVEvulnerability
CVE-2021-24029
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-03-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-617
Description
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.
Affected configurations
• facebook mvfst (< 2021-03-13)
• facebook proxygen (< 2021.03.15.00)
Related
Weakness · CWE (1)
- CWE-617 Reachable Assertion weakness
References
- https://github.com/facebookincubator/mvfst/commit/a67083ff4b8dcbb7ee2839da6338032030d712b0 Patch, Third Party Advisory
- https://www.facebook.com/security/advisories/cve-2021-24029 Vendor Advisory
- https://github.com/facebookincubator/mvfst/commit/a67083ff4b8dcbb7ee2839da6338032030d712b0 Patch, Third Party Advisory
- https://www.facebook.com/security/advisories/cve-2021-24029 Vendor Advisory