CVE-2026-78227
CVE-2026-78227: 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 severityMedium5.9
Medium [CVE-2026-78227] Denial of Service via use-after-free in DoQ stream output buffer
CVE-2026-78227Source published Source updated
Denial of Service via use-after-free in DoQ stream output buffer. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-416. Red Hat lists fixing advisory RHSA-2026:68590 with package unbound-main-1.26.1-1.hum1. Affected product named by the advisory: Red Hat Hardened Images.
- Related products — impact not confirmed
- Red Hat Hardened Images
- Source-reported affected versions
- 1.22.0
- 1.26.1
- Source-reported fixed versions
- unbound-main-1.26.1-1.hum1
- RHSA-2026:68590
- Mitigation guidance
- To mitigate this do not set quic-port unless DNS-over-QUIC is required. If it is enabled, allow it only from trusted clients.
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