{"id":"CLEANSTART-2026-ZX90668","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":"CVE-2026-33811 affects multiple packages. When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash. See references for individual vulnerability details.","modified":"2026-10-31T06:15:26.651712306Z","published":"2026-10-31T00:37:56.892717Z","upstream":["CVE-2026-33811"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-ZX90668.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-33811"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33811"}],"affected":[{"package":{"name":"external-dns-fips","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/external-dns-fips"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.22.0-r4"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-ZX90668.json"}},{"package":{"name":"prometheus-node-exporter-fips","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/prometheus-node-exporter-fips"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.1-r7"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-ZX90668.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}