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TI-2026-77667 Aliases CVE-2026-93442GHSA-cqc2-7346-rqqh

IBM QRadar SIEM Out-of-bounds Read: DoS and Information Disclosure

Priority MEDIUM 42CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

IBM QRadar SIEM versions 7.6.0.0 through 7.6.0.4, and 7.5.0 through 7.5.0 Update Package 16 Interim Fix 001, contain an out-of-bounds read (CWE-125). A remote attacker can exploit it without authentication to cause a denial of service or obtain sensitive information. CVSS 3.1 base score is 8.2 (HIGH). CISA's SSVC rates technical impact as partial and the flaw as automatable, with no exploitation observed and no CISA KEV listing.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

IBM QRadar SIEM 7.6.0.0 through 7.6.0.4, and 7.5.0 through 7.5.0 Update Package 16 Interim Fix 001 could allow a remote attacker to cause a denial of service or obtain sensitive information due to an out-of-bounds read.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00415 36th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
IBMQRadar7.6.0.0 – 7.6.0.4; 7.5.0 – 7.5.0 Update Package 16 Interim Fix 001—No fix listedCNA
  • QRadar VendorIBM Affected 7.6.0.0 – 7.6.0.4; 7.5.0 – 7.5.0 Update Package 16 Interim Fix 001 Fixed in — No fix listed CNA

CPE names CNA · 4

CPEVersionsRoleVendor
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.6.0.0:*:*:*:*:*:*:*7.6.0.0—IBM
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.6.0.4:*:*:*:*:*:*:*7.6.0.4—IBM
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:*:*:*:*:*:*:*7.5.0—IBM
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_package_16_interim_fix_001:*:*:*:*:*:*7.5.0 update_package_16_interim_fix_001—IBM
  • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.6.0.0:*:*:*:*:*:*:* Versions 7.6.0.0 — ·IBM
  • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.6.0.4:*:*:*:*:*:*:* Versions 7.6.0.4 — ·IBM
  • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:*:*:*:*:*:*:* Versions 7.5.0 — ·IBM
  • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_package_16_interim_fix_001:*:*:*:*:*:* Versions 7.5.0 update_package_16_interim_fix_001 — ·IBM

Remediation

IBM has not listed a fixed version for the affected QRadar SIEM releases. Restrict network access to QRadar SIEM until IBM publishes a fix, and monitor IBM's security bulletins for an update.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-93442
  2. 2026-10-21 Alias added: GHSA-cqc2-7346-rqqh
  3. 2026-10-21 CISA SSVC decision points changed
  4. 2026-10-21 Priority changed: MEDIUM → LOW
  5. 2026-10-22 Priority changed: LOW → MEDIUM

References

  • TI-2026-08085 Unauthenticated Remote Code Execution via Auto-Login Bypass and Code Validation KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-23774 IBM Aspera Faspex code execution KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-03794 Improper authentication in IBM Data Risk Manager KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-03441 Code injection in IBM Planning Analytics KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-03639 Improper handling of exceptional conditions in Apache Struts KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-06198 Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT… KEVCVSS 3.1CRITICAL 9.8
See all 9711 →

Sources