CVE-2021-24028 json
An invalid free in Thrift's table-based serialization can cause the application to crash or potentially result in code execution or other u…
published 2021-04-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-10948
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
An invalid free in Thrift's table-based serialization can cause the application to crash or potentially result in code execution or other undesirable effects. This issue affects Facebook Thrift prior to v2021.02.22.00.
Patch / fix
Exploit prediction
1.75% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Facebook Facebook Thrift
Classification
- Weakness
-
- CWE-763 Release of Invalid Pointer or Reference
References
-
github.com
/facebook/fbthrift/commit/bfda1efa547dce11a38592820916db01b05b9339
patch, third-party-advisory
-
facebook.com
/security/advisories/cve-2021-24028
vendor-advisory
Sources
- CVE List CVE-2021-24028
- NVD CVE-2021-24028
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.