CVE-2026-14979: CWE-776 Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') in IBM Engineering Lifecycle Management
IBM Engineering Lifecycle Management 7.0.3 ( Interim Fix 001 through ) Interim Fix 021, 7.1.0 ( Interim Fix 001 through ) Interim Fix 009, and 7.2.0 and 7.2.0 Interim Fix 001 DOORS could allow a remote attacker to cause a denial of service due to improper handling of XML entity expansion.
AI Analysis
Technical Summary
CVE-2026-14979 is a medium severity vulnerability in IBM Engineering Lifecycle Management involving CWE-776, improper restriction of recursive entity references in XML DTDs, commonly known as XML entity expansion. This flaw allows remote attackers to cause denial of service conditions by triggering excessive XML entity expansion. Affected versions include 7.0.3 from Interim Fix 001 through Interim Fix 021, 7.1.0 from Interim Fix 001 through Interim Fix 009, and 7.2.0 including Interim Fix 001. The vulnerability does not affect confidentiality or integrity but impacts system availability. No vendor advisory or patch information is currently available, and no known exploits have been reported.
Potential Impact
The vulnerability allows remote attackers to cause denial of service (availability impact) by exploiting improper handling of recursive XML entity references in the affected IBM Engineering Lifecycle Management versions. There is no impact on confidentiality or integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor vendor communications for updates. No specific mitigation steps are provided by the vendor at this time.
CVE-2026-14979: CWE-776 Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') in IBM Engineering Lifecycle Management
Description
IBM Engineering Lifecycle Management 7.0.3 ( Interim Fix 001 through ) Interim Fix 021, 7.1.0 ( Interim Fix 001 through ) Interim Fix 009, and 7.2.0 and 7.2.0 Interim Fix 001 DOORS could allow a remote attacker to cause a denial of service due to improper handling of XML entity expansion.
CVSS v3.1
Score 5.3medium
Affected software
cpe:2.3:a:ibm:engineering_lifecycle_management:7.0.3:interim_fix_001:*:*:*:*:*:*cpe:2.3:a:ibm:engineering_lifecycle_management:7.0.3:interim_fix_021:*:*:*:*:*:*cpe:2.3:a:ibm:engineering_lifecycle_management:7.1.0:interim_fix_001:*:*:*:*:*:*cpe:2.3:a:ibm:engineering_lifecycle_management:7.1.0:interim_fix_009:*:*:*:*:*:*cpe:2.3:a:ibm:engineering_lifecycle_management:7.2.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:engineering_lifecycle_management:7.2.0:interim_fix_001:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-14979 is a medium severity vulnerability in IBM Engineering Lifecycle Management involving CWE-776, improper restriction of recursive entity references in XML DTDs, commonly known as XML entity expansion. This flaw allows remote attackers to cause denial of service conditions by triggering excessive XML entity expansion. Affected versions include 7.0.3 from Interim Fix 001 through Interim Fix 021, 7.1.0 from Interim Fix 001 through Interim Fix 009, and 7.2.0 including Interim Fix 001. The vulnerability does not affect confidentiality or integrity but impacts system availability. No vendor advisory or patch information is currently available, and no known exploits have been reported.
Potential Impact
The vulnerability allows remote attackers to cause denial of service (availability impact) by exploiting improper handling of recursive XML entity references in the affected IBM Engineering Lifecycle Management versions. There is no impact on confidentiality or integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor vendor communications for updates. No specific mitigation steps are provided by the vendor at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-07T16:58:17.358Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a5b5eaa2d1edb114c7fb1b9
Added to database: 07/18/2026, 11:08:26 UTC
Last enriched: 07/18/2026, 11:51:03 UTC
Last updated: 07/18/2026, 13:34:55 UTC
Views: 5
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