CVE-2019-11924 json
A peer could send empty handshake fragments containing only padding which would be kept in memory until a full handshake was received, resu…
published 2019-08-20 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-3582
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
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.
Patch / fix
Exploit prediction
2.40% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Affected products
- Facebook fizz
Classification
- Weakness
-
- CWE-770 Allocation of Resources Without Limits or Throttling
References
-
github.com
/facebookincubator/fizz/commit/6bf67137ef1ee5cd70c842b014c322b7deaf994b
patch, third-party-advisory
-
github.com
/facebookincubator/fizz/commit/3eaddb33619eaaf74a760872850c550ad8f5c52f
patch, third-party-advisory
-
facebook.com
/security/advisories/cve-2019-11924
vendor-advisory
Sources
- CVE List CVE-2019-11924
- NVD CVE-2019-11924
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