CVE-2026-33811
Crash when handling long CNAME response in net
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.
| Vendor | go standard library |
| Product | net |
| Published | May 7, 2026 |
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Affected Versions
Go standard library / net
0 < 1.25.10 1.26.0-0 < 1.26.3
References
Credits
hamayanhamayan