VDB
CVE-2026-33811
CVE-2026-33811
PUBLISHED
CVSS 8.699999809265137 HIGH
When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.
EPSS 0.02% · 4.4th percentile
Risk Scores
CVSS v4.0
8.699999809265137
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS Score
0.02%
4.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Go standard library | net | 0, 1.26.0-0 |
Timeline
- May 7, 2026 CVE Published
- May 7, 2026 PoC Published
- May 8, 2026 Security Advisory
- May 8, 2026 CVE Updated
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score