When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.
高危 CVSS 7.5
摘要
When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.
中文摘要建设中，暂以英文摘要呈现（DR-003 v2）。
深度研判 · 自动通道
该漏洞尚未生成深度研判报告（DR-003 v2 AI pipeline 建设中）。
受影响产品
- :
数据来源
- NVD DATABASE
原始链接
- https://go.dev/cl/767860 Patch
- https://go.dev/issue/78803 Issue Tracking
- https://groups.google.com/g/golang-announce/c/qcCIEXso47M Mailing List
- https://pkg.go.dev/vuln/GO-2026-4981 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:23262
- https://access.redhat.com/errata/RHSA-2026:23264
- https://access.redhat.com/errata/RHSA-2026:33120
- https://access.redhat.com/errata/RHSA-2026:33123
- https://access.redhat.com/errata/RHSA-2026:33142
- https://access.redhat.com/errata/RHSA-2026:33150
- https://access.redhat.com/errata/RHSA-2026:33574
- https://access.redhat.com/errata/RHSA-2026:34357
- https://access.redhat.com/errata/RHSA-2026:34359
- https://access.redhat.com/errata/RHSA-2026:34364
- https://access.redhat.com/errata/RHSA-2026:35832
- https://access.redhat.com/errata/RHSA-2026:35993
- https://access.redhat.com/errata/RHSA-2026:35994
- https://access.redhat.com/errata/RHSA-2026:35995
- https://access.redhat.com/errata/RHSA-2026:36207
- https://access.redhat.com/errata/RHSA-2026:36319
- https://access.redhat.com/errata/RHSA-2026:36617
- https://access.redhat.com/errata/RHSA-2026:36625
- https://access.redhat.com/errata/RHSA-2026:36648
- https://access.redhat.com/errata/RHSA-2026:36651
- https://access.redhat.com/errata/RHSA-2026:36776
- https://access.redhat.com/errata/RHSA-2026:36796
- https://access.redhat.com/errata/RHSA-2026:36797
- https://access.redhat.com/errata/RHSA-2026:38504
- https://access.redhat.com/errata/RHSA-2026:39266
- https://access.redhat.com/errata/RHSA-2026:39272
- https://access.redhat.com/errata/RHSA-2026:39319
- https://access.redhat.com/errata/RHSA-2026:39573
- https://access.redhat.com/errata/RHSA-2026:39810
- https://access.redhat.com/security/cve/CVE-2026-33811
- https://bugzilla.redhat.com/show_bug.cgi?id=2467822
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33811.json
- https://access.redhat.com/errata/RHSA-2026:40118
- https://access.redhat.com/errata/RHSA-2026:40119
- https://access.redhat.com/errata/RHSA-2026:40945
- https://access.redhat.com/errata/RHSA-2026:41019
- https://access.redhat.com/errata/RHSA-2026:41030
- https://access.redhat.com/errata/RHSA-2026:41055
时间线
- nvd_ingest NVD