CVE-2026-120420 - drools-drl-parser: uncontrolled recursion when parsing deeply nested parenthesised expressions leads to denial of servic
drools-drl-parser: uncontrolled recursion when parsing deeply nested parenthesised expressions leads to denial of service (StackOverflowError)
MEDIUM
Severity & confidence
Source severitymedium
Platform severitymedium
Confidencemedium
Exploitationunknown
CVSS5.3
Affected
VendorsRed Hat
Reporting sources (1)
Red Hat - CVE Feed
Timeline & provenance
Published2026-11-02T00:00:00
Last updated2026-11-04T12:08:02
Ingested2026-11-03T00:46:12
FreshnessNEAR-REAL-TIME
Threat typevulnerability
Recommended action
Apply the Red Hat errata / RHSA referenced in the advisory.
Next steps
- Identify affected systems in your environment.
- Apply the vendor patch or mitigation guidance.
- Review logs for indicators described in the advisory.
- Follow the affected vendor/product to track updates.
Confidence explanation
Reported by a single or secondary source; treat as indicative, verify before acting.
Source type: vendor ยท Original: Red Hat - CVE Feed
