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DEBIAN-CVE-2026-33811

DEBIAN-CVE-2026-33811 PUBLISHED CVSS 7.5 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.

Risk Scores

CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Debian:12golang-1.190, 1.19.10-1, 1.19.10-2
Debian:14golang-1.261.26.0-1, 1.26, 1.26
Debian:14golang-1.251.25.9-1, 0, 1.25.0-1
Debian:13golang-1.240, 1.24.12-1, 1.24.13-1
Debian:11golang-1.150, 1.15.9-6, 1.15.15-5

Timeline

  • May 7, 2026 CVE Published
  • May 15, 2026 CVE Updated
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