CLEANSTART-2026-OR29362
Dashboard / Vulnerabilities / CLEANSTART-2026-OR29362
Summary: When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash
Details: Security vulnerability affects the prometheus package. 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: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-OR29362.json, https://osv.dev/vulnerability/CVE-2026-33811, https://nvd.nist.gov/vuln/detail/CVE-2026-33811
Affected packages
Package
Name: prometheus
Purl: pkg:apk/cleanstart/prometheus
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -3.11.3-r0
Affected versions
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
