Heap-based Buffer Overflow in JP1/Automatic Job Management System 3 (CVE-2026-76939)
A heap-based buffer overflow vulnerability has been identified in JP1/Automatic Job Management System 3.
CVE search metadata
CVE search record: CVE-2026-76939. Severity: critical. CVSS: 9.8. EPSS: 0.52%. KEV: no. Product: JP1/Automatic Job Management System 3 - Manager (11-00 to <13-50-31), JP1/Automatic Job Management System 3 - Agent (11-00 to <13-50-31). Brief: Heap-based Buffer Overflow in JP1/Automatic Job Management System 3 (CVE-2026-76939). Brief link: https://feed.craftedsignal.io/briefs/2026-10-jp1-ajs3-buffer-overflow/
Triage facts
Revision 1- Applicability
- JP1/Automatic Job Management System 3 - Manager (11-00 to <13-50-31), JP1/Automatic Job Management System 3 - Agent (11-00 to <13-50-31)
- Evidence
- Unknown
- Severity
- Critical
- Sources
- 1 public source
- Freshness
- Revision 1Oct 29, 20:13 UTC
- Vulnerabilities
- 1 CVE
- Source quality
- A2Roughly even chance
CVE-2026-76939 is a heap-based buffer overflow vulnerability affecting JP1/Automatic Job Management System 3 - Manager and JP1/Automatic Job Management System 3 - Agent. The affected versions for both include 11-00 through versions prior to 13-50-31. The vulnerability has a CVSS v3.1 base score of 9.8.