CVE-2026-33811
When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.
Scoring
- CVSS base score
- 0.04
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS probability
- 0.81%
- Published
- 2026-05-07
- Last modified
- 2026-09-18
Affected products
- Go standard library net
- Go standard library net