CVE-2026-63362
CVE-2026-63362: 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-2026-63362] Denial of Service via unsigned integer underflow
CVE-2026-63362Source published Source updated
An unsigned integer underflow in the PubSub signature verification path in open62541 may allow a remote attacker to cause a denial of service via a crafted UDP packet. A flaw was found in open62541. This vulnerability could make the affected system unavailable to legitimate users. This Moderate severity flaw in open62541 can lead to a denial of service. The high attack complexity associated with this vulnerability reduces the likelihood of successful exploitation. This component is only present in Fedora. Red Hat does not ship this component in any core Red Hat products. Red Hat severity: Moderate — CVSS 5.9 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-191.
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. Fedora ships version 1.5.6 which already includes the fix.
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