CVE-2026-33811
EUVD-2026-2841907.05.2026, 20:16
When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| golang | go | 𝑥 < 1.25.10 |
| golang | go | 1.26.0 ≤ 𝑥 < 1.26.3 |
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
| Vendor | Product | Version | Source |
|---|---|---|---|
| Red Hat | Cryostat 4 on RHEL 9 | 4.2.0-19 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Ansible Automation Platform 2.5 for RHEL 8 | 0:1.6.6-1.el8ap ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Ansible Automation Platform 2.5 for RHEL 8 | 0:2.5.10-7.el8ap ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Ansible Automation Platform 2.5 for RHEL 9 | 0:1.6.6-1.el9ap ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Ansible Automation Platform 2.5 for RHEL 9 | 0:2.6.17-2.el9ap ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Ansible Automation Platform 2.6 for RHEL 10 | 0:1.6.6-1.el10ap ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Ansible Automation Platform 2.6 for RHEL 9 | 0:1.6.6-1.el9ap ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Ansible Automation Platform 2.6 for RHEL 9 | 0:2.6.17-2.el9ap ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 10 | 0:0.152.1-1.el10_2 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 10 | 0:0.9.27-7.el10_2.2 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 10 | 0:3.7.1-5.el10_2.6 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 10 | 0:0.4.9.2-1.el10_2 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 10 | 0:0.2.10-1.el10_2 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | 0:1.26.1-1.el10_0 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8 | 1:0.2.5-8.el8_10 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8 | 8100020260709093628.afee755d ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8 | 0:3.4.1-12.el8_10 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9 | 0:0.152.1-1.el9_8 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9 | 0:1.2.11-2.el9_8 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9 | 0:3.7.1-4.el9_8.2 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenStack Services on OpenShift 18.0 | 0:0.1.1-18.0.20260602234716.a95ae05.el9ost ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Satellite 6.16 for RHEL 8 | 0:0.0.4-1.el8sat ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Satellite 6.16 for RHEL 9 | 0:0.0.4-1.el9sat ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Satellite 6.17 for RHEL 9 | 0:0.0.4-1.el9sat ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Satellite 6.18 for RHEL 9 | 0:0.0.4-1.el9sat ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Satellite 6.19 for RHEL 9 | 0:0.0.4-1.el9sat ≤ 𝑥 < * | ADP |
| Red Hat | RHEM 1.0 for RHEL 9 | 0:1.0.3-1.el9em ≤ 𝑥 < * | ADP |
| Red Hat | RHEM 1.1 for RHEL 10 | 0:1.1.3-1.el10em ≤ 𝑥 < * | ADP |
| Red Hat | RHEM 1.1 for RHEL 9 | 0:1.1.3-1.el9em ≤ 𝑥 < * | ADP |
| Red Hat | Logging for Red Hat OpenShift 6.2 | 1784747813 ≤ 𝑥 < * | ADP |
| Red Hat | Logging for Red Hat OpenShift 6.4 | 1782408807 ≤ 𝑥 < * | ADP |
| Red Hat | Logging Subsystem for Red Hat OpenShift 6.0 | 1785418851 ≤ 𝑥 < * | ADP |
| Red Hat | multicluster engine for Kubernetes 2.1 | 1784915379 ≤ 𝑥 < * | ADP |
| Red Hat | multicluster engine for Kubernetes 2.6 | 1783985999 ≤ 𝑥 < * | ADP |
| Red Hat | multicluster engine for Kubernetes 2.8 | 1784306906 ≤ 𝑥 < * | ADP |
| Red Hat | Multicluster Global Hub 1.5.4 | 1784127491 ≤ 𝑥 < * | ADP |
| Red Hat | Multicluster Global Hub 1.7.1 | 1784768332 ≤ 𝑥 < * | ADP |
| Red Hat | OpenShift API for Data Protection 1.3 | 1785180878 ≤ 𝑥 < * | ADP |
| Red Hat | OpenShift API for Data Protection 1.6 | 1784058822 ≤ 𝑥 < * | ADP |
| Red Hat | OpenShift Developer Tools and Services 1.6.3 | 1784727697 ≤ 𝑥 < * | ADP |
| Red Hat | OpenShift Developer Tools and Services 1.6.3 | 1784728036 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Advanced Cluster Security 4.9 | 1783357116 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Advanced Cluster Security for Kubernetes 4.10 | 1783357140 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Advanced Cluster Security for Kubernetes 4.11 | 1783352589 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Ansible Automation Platform 2.6 | 1783962464 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Developer Hub 1.9 | 1782767215 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Edge Manager 1.0 | 1783502438 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Edge Manager 1.1 | 1784194574 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Edge Manager 1.1 | 1784127736 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Hardened Images | 1.25.11-2.hum1 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Hardened Images | 1.26.4-2.hum1 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Migration Toolkit 1.8 | 1783914276 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Migration Toolkit for Applications 8.1 | 1785171639 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Migration Toolkit for Applications 8.2 | 1784211378 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat multicluster global hub 1.4.4 | 1784061472 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat multicluster global hub 1.6.0 | 1784152046 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift AI 2.25 | 1783544461 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift AI 2.25 | 1783946386 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Builds 1.7.3 | 1783057868 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift distributed tracing 3.10.1 | 1785704547 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift GitOps 1.19 | 1782292352 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift GitOps 1.2 | 1782383826 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift GitOps 1.21 | 1782910941 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Service Mesh 3.0 | 1782222217 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Service Mesh 3.0 | 1782223341 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Service Mesh 3.0 | 1782296193 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Service Mesh 3.0 | 1782222607 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Service Mesh 3.1 | 1782222163 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Service Mesh 3.1 | 1782223138 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Service Mesh 3.1 | 1782222394 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Service Mesh 3.1 | 1782222451 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Service Mesh 3.2 | 1782226178 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Service Mesh 3.2 | 1782224487 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Service Mesh 3.2 | 1782303211 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Service Mesh 3.2 | 1782224541 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Service Mesh 3.3 | 1782223045 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Service Mesh 3.3 | 1782222366 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Service Mesh 3.3 | 1782310747 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat OpenShift Service Mesh 3.3 | 1782222038 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Trusted Artifact Signer 1.4 | 4-1.4.2 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Trusted Artifact Signer 1.4 | 4-1.4.3 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Web Terminal 1.11 | 1784296203 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Web Terminal 1.12 | 1784247610 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Web Terminal 1.13 | 1784296127 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Web Terminal 1.14 | 1784296114 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Web Terminal 1.15 | 1784296033 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Web Terminal 1.16 | 1784295767 ≤ 𝑥 < * | ADP |
Debian Releases
Ubuntu Releases
Ubuntu Product | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| golang-1.23 |
| ||||||||||||||
| golang-1.24 |
| ||||||||||||||
| golang-1.25 |
| ||||||||||||||
| golang |
| ||||||||||||||
| golang-1.10 |
| ||||||||||||||
| golang-1.13 |
| ||||||||||||||
| golang-1.14 |
| ||||||||||||||
| golang-1.16 |
| ||||||||||||||
| golang-1.17 |
| ||||||||||||||
| golang-1.18 |
| ||||||||||||||
| golang-1.20 |
| ||||||||||||||
| golang-1.21 |
| ||||||||||||||
| golang-1.22 |
| ||||||||||||||
| golang-1.6 |
| ||||||||||||||
| golang-1.8 |
| ||||||||||||||
| golang-1.9 |
|
Red Hat Enterprise Linux Releases
Amazon Linux Releases
Amazon Package | |||||
|---|---|---|---|---|---|
| amazon-cloudwatch-agent |
| ||||
| amazon-ecr-credential-helper |
| ||||
| captree |
| ||||
| captree-debuginfo |
| ||||
| cni-plugins |
| ||||
| cni-plugins-debuginfo |
| ||||
| cni-plugins-debugsource |
| ||||
| compat-golang-github-cpuguy83-md2man-2-devel |
| ||||
| containerd |
| ||||
| containerd-debuginfo |
| ||||
| containerd-debugsource |
| ||||
| containerd-stress |
| ||||
| containerd-stress-debuginfo |
| ||||
| credentials-fetcher |
| ||||
| cri-tools |
| ||||
| cri-tools-debuginfo |
| ||||
| docker |
| ||||
| docker-debuginfo |
| ||||
| docker-debugsource |
| ||||
| ecs-init |
| ||||
| git-lfs |
| ||||
| git-lfs-debuginfo |
| ||||
| git-lfs-debugsource |
| ||||
| golang |
| ||||
| golang-bin |
| ||||
| golang-docs |
| ||||
| golang-github-burntsushi-toml |
| ||||
| golang-github-burntsushi-toml-debuginfo |
| ||||
| golang-github-burntsushi-toml-debugsource |
| ||||
| golang-github-burntsushi-toml-devel |
| ||||
| golang-github-burntsushi-toml-test |
| ||||
| golang-github-burntsushi-toml-test-debuginfo |
| ||||
| golang-github-burntsushi-toml-test-debugsource |
| ||||
| golang-github-burntsushi-toml-test-devel |
| ||||
| golang-github-cpuguy83-md2man |
| ||||
| golang-github-cpuguy83-md2man-debuginfo |
| ||||
| golang-github-cpuguy83-md2man-debugsource |
| ||||
| golang-github-cpuguy83-md2man-devel |
| ||||
| golang-misc |
| ||||
| golang-shared |
| ||||
| golang-src |
| ||||
| golang-tests |
| ||||
| golist |
| ||||
| golist-debuginfo |
| ||||
| golist-debugsource |
| ||||
| libcap |
| ||||
| libcap-debuginfo |
| ||||
| libcap-debugsource |
| ||||
| libcap-devel |
| ||||
| libcap-static |
| ||||
| nerdctl |
| ||||
| nerdctl-debuginfo |
| ||||
| oci-add-hooks |
| ||||
| oci-add-hooks-debuginfo |
| ||||
| oci-add-hooks-debugsource |
| ||||
| rclone |
| ||||
| rclone-debuginfo |
| ||||
| rclone-debugsource |
| ||||
| runc |
| ||||
| runc-debuginfo |
| ||||
| runc-debugsource |
| ||||
| runfinch-finch |
| ||||
| soci-snapshotter |
| ||||
| yq |
| ||||
| yq-debuginfo |
| ||||
| yq-debugsource |
|
Common Weakness Enumeration
- CWE-415 - Double FreeThe product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
- CWE-1341 - Multiple Releases of Same Resource or HandleThe product attempts to close or release a resource or handle more than once, without any successful open between the close operations.
References