CVE-2026-77420
CVE-2026-77420: 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 severityMedium5.5
Medium [CVE-2026-77420] Denial of Service vulnerability in history configuration processing
CVE-2026-77420Source published Source updated
Denial of Service vulnerability in history configuration processing. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-1333. Affected products named by the advisory: Red Hat AMQ Broker 7; Red Hat Fuse 7; Red Hat OpenShift AI (RHOAI); Red Hat OpenStack Platform 13 (Queens).
- Related products — impact not confirmed
- Red Hat AMQ Broker 7
- Red Hat Fuse 7
- Red Hat OpenShift AI (RHOAI)
- Red Hat OpenStack Platform 13 (Queens)
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- 3.30.15
- 4.3.1
- Mitigation guidance
- If application configuration allows user-supplied values to flow into HISTORY_IGNORE, validate or sanitize those values to reject regular expression metacharacters (e.g., nested quantifiers such as (a+)+) before they reach JLine's history processing.
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