CVE-2026-33811
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- CVE-2026-33811
CVE Details
| Release Date: | 2026-05-07 | |
| Impact: | Important | What is this? |
Description
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 more information about CVE-2026-33811 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 7.5 |
| Vector String: | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Version: | 3.1 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 10 (golang-github-openprinting-ipp-usb) | ELSA-2026-35832 | 2026-07-16 |
| Oracle Linux version 8 (aardvark-dns) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (buildah) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (cockpit-podman) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (conmon) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (container-selinux) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (containernetworking-plugins) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (containers-common) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (criu) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (crun) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (delve) | ELSA-2026-22112 | 2026-06-02 |
| Oracle Linux version 8 (fuse-overlayfs) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (git-lfs) | ELSA-2026-39266 | 2026-07-14 |
| Oracle Linux version 8 (golang) | ELSA-2026-22112 | 2026-06-02 |
| Oracle Linux version 8 (libslirp) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (netavark) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (oci-seccomp-bpf-hook) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (podman) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (python-podman) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (runc) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (skopeo) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (slirp4netns) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 8 (udica) | ELSA-2026-38504 | 2026-07-15 |
| Oracle Linux version 9 (git-lfs) | ELSA-2026-39319 | 2026-07-14 |
| Oracle Linux version 9 (golang) | ELSA-2026-22121 | 2026-06-23 |
| Oracle Linux version 9 (oci-seccomp-bpf-hook) | ELSA-2026-36617 | 2026-07-08 |
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections:
- Oracle customers - enter a support request
- Vulnerability scanning tools vendors and project maintainers - follow the standard ISV process
