CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2021-29627
High (7.8) in freebsd freebsd. EPSS 0.7% chance of exploitation in the next 30 days.
In FreeBSD 13.0-STABLE before n245050, 12.2-STABLE before r369525, 13.0-RC4 before p0, and 12.2-RELEASE before p6, listening socket accept filters implementing the accf_create callback incorrectly freed a process supplied argument string. Additional operations on the socket can lead to a double free or use after free.
Severity
- EPSS
- 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-11-01)
- CWEs
- CWE-415, CWE-416
- Published
- Modified
- Record from
- the NVD, synced
Affected
- freebsd:freebsd