BIT-golang-2026-33811

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Import Source
https://github.com/bitnami/vulndb/tree/main/data/golang/BIT-golang-2026-33811.json
JSON Data
https://api.osv.dev/v1/vulns/BIT-golang-2026-33811
Aliases
Published
2026-05-11T05:44:24Z
Modified
2026-09-16T16:45:05Z
Summary
Crash when handling long CNAME response in net
Details

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.

Database specific 
{
    "cpes":  [
        "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*"
    ],
    "severity":  "High"
}
References

Affected packages

Bitnami / golang

Package

Name
golang
Purl
pkg:bitnami/golang

Severity

  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.25.10
Introduced
1.26.0-0
Fixed
1.26.3

Database specific

source 
"https://github.com/bitnami/vulndb/tree/main/data/golang/BIT-golang-2026-33811.json"