CVE-2026-33278
CVE-2026-33278: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh8.1
High [CVE-2026-33278] Unbound DNSSEC Validator Use-After-Free via Deep Copy Pointer Overwrite Leading to DoS and Possible Remote Code Execution
CVE-2026-33278Source published
Unbound DNSSEC Validator Use-After-Free via Deep Copy Pointer Overwrite Leading to DoS and Possible Remote Code Execution. Red Hat rates this important (CVSS 8.1). Weakness: CWE-416. Affected package(s): unbound-main, unbound. Resolved in Red Hat advisory RHSA-2026:23231 — update the affected packages (`sudo dnf update`).
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 9
- Red Hat Hardened Images
- Red Hat OpenShift Container Platform 4
- Source-reported affected versions
- unbound-main-1.25.1-0.1.hum1
- unbound-0:1.24.2-7.el10_2.1
- unbound-0:1.24.2-3.el9_8.1
- Source-reported fixed versions
- RHSA-2026:23231
- Mitigation guidance
- Update the affected package(s) to the fixed version shipped in RHSA-2026:23231 (`sudo dnf update` / `yum update`).
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