Описание
When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.
When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.
Ссылки
- https://nvd.nist.gov/vuln/detail/CVE-2026-33811
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33811.json
- https://pkg.go.dev/vuln/GO-2026-4981
- https://groups.google.com/g/golang-announce/c/qcCIEXso47M
- https://go.dev/issue/78803
- https://go.dev/cl/767860
- https://bugzilla.redhat.com/show_bug.cgi?id=2467822
- https://access.redhat.com/security/cve/CVE-2026-33811
- https://access.redhat.com/errata/RHSA-2026:36797
- https://access.redhat.com/errata/RHSA-2026:36796
- https://access.redhat.com/errata/RHSA-2026:36776
- https://access.redhat.com/errata/RHSA-2026:36651
- https://access.redhat.com/errata/RHSA-2026:36648
- https://access.redhat.com/errata/RHSA-2026:36625
- https://access.redhat.com/errata/RHSA-2026:36617
- https://access.redhat.com/errata/RHSA-2026:36319
- https://access.redhat.com/errata/RHSA-2026:36207
- https://access.redhat.com/errata/RHSA-2026:35995
- https://access.redhat.com/errata/RHSA-2026:35994
- https://access.redhat.com/errata/RHSA-2026:35993
- https://access.redhat.com/errata/RHSA-2026:35832
- https://access.redhat.com/errata/RHSA-2026:34364
- https://access.redhat.com/errata/RHSA-2026:34359
- https://access.redhat.com/errata/RHSA-2026:34357
- https://access.redhat.com/errata/RHSA-2026:33574
- https://access.redhat.com/errata/RHSA-2026:33150
- https://access.redhat.com/errata/RHSA-2026:33142
- https://access.redhat.com/errata/RHSA-2026:33123
- https://access.redhat.com/errata/RHSA-2026:33120
- https://access.redhat.com/errata/RHSA-2026:23264
- https://access.redhat.com/errata/RHSA-2026:23262
Связанные уязвимости
CVSS3: 7.5
ubuntu
3 месяца назад
When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.
CVSS3: 7.5
redhat
3 месяца назад
When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.
CVSS3: 7.5
nvd
3 месяца назад
When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.
CVSS3: 7.5
debian
3 месяца назад
When using LookupCNAME with the cgo DNS resolver, a very long CNAME re ...