ALPINE-CVE-2026-33811

See a problem?
Please try reporting it to the source first.
Source
https://security.alpinelinux.org/vuln/CVE-2026-33811
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-33811.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-33811
Upstream
Published
2026-05-07T20:16:42Z
Modified
2026-11-03T06:32:54Z
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
Summary
[none]
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.

References

Affected packages

Alpine:v3.23 / go

Package

Name
go
Purl
pkg:apk/alpine/go?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.26.0
Fixed
1.25.10-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-33811.json"

Alpine:v3.24 / go

Package

Name
go
Purl
pkg:apk/alpine/go?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.26.0
Fixed
1.26.3-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-33811.json"

Alpine:v3.24 / rclone

Package

Name
rclone
Purl
pkg:apk/alpine/rclone?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.74.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-33811.json"