CVE-2026-6732: Access of Resource Using Incompatible Type ('Type Confusion') in Red Hat Red Hat Enterprise Linux 10
CVE-2026-6732 is a vulnerability in the libxml2 library used by Red Hat Enterprise Linux 10. It arises when processing a specially crafted XML Schema Definition (XSD) document containing an internal entity reference, causing a type confusion error. This error can lead to an application crash resulting in a denial of service (DoS). The vulnerability has a CVSS score of 6. 5, indicating medium severity. No known exploits are reported in the wild. There is no explicit vendor advisory statement on patch availability or remediation level.
AI Analysis
Technical Summary
This vulnerability involves a type confusion error in libxml2 when handling a maliciously crafted XSD-validated XML document with internal entity references. The flaw causes the affected application to crash, leading to denial of service. It affects Red Hat Enterprise Linux 10. The CVSS 3.1 vector indicates the attack requires adjacent network access with low attack complexity and no privileges or user interaction, impacting availability only.
Potential Impact
Successful exploitation results in denial of service by crashing the application processing the malicious XML document. There is no impact on confidentiality or integrity. No known active exploits have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the Red Hat advisory at https://access.redhat.com/security/cve/CVE-2026-6732 for current remediation guidance. No official fix or temporary workaround is currently documented in the provided advisory content.
CVE-2026-6732: Access of Resource Using Incompatible Type ('Type Confusion') in Red Hat Red Hat Enterprise Linux 10
Description
CVE-2026-6732 is a vulnerability in the libxml2 library used by Red Hat Enterprise Linux 10. It arises when processing a specially crafted XML Schema Definition (XSD) document containing an internal entity reference, causing a type confusion error. This error can lead to an application crash resulting in a denial of service (DoS). The vulnerability has a CVSS score of 6. 5, indicating medium severity. No known exploits are reported in the wild. There is no explicit vendor advisory statement on patch availability or remediation level.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a type confusion error in libxml2 when handling a maliciously crafted XSD-validated XML document with internal entity references. The flaw causes the affected application to crash, leading to denial of service. It affects Red Hat Enterprise Linux 10. The CVSS 3.1 vector indicates the attack requires adjacent network access with low attack complexity and no privileges or user interaction, impacting availability only.
Potential Impact
Successful exploitation results in denial of service by crashing the application processing the malicious XML document. There is no impact on confidentiality or integrity. No known active exploits have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the Red Hat advisory at https://access.redhat.com/security/cve/CVE-2026-6732 for current remediation guidance. No official fix or temporary workaround is currently documented in the provided advisory content.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- redhat
- Date Reserved
- 2026-04-20T22:34:45.863Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-6732","vendor":"Red Hat"}]
Threat ID: 69ea9ed487115cfb686fffd3
Added to database: 4/23/2026, 10:36:04 PM
Last enriched: 4/23/2026, 10:52:02 PM
Last updated: 4/23/2026, 11:38:34 PM
Views: 4
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