Red Hat Security Advisory: openssl security update
OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library. Security Fix(es): * openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing (CVE-2026-28390) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-28390) concerns a potential NULL pointer dereference during the processing of CMS KeyTransportRecipientInfo in Microsoft products such as Azure Linux 2.0 and 3.0. The NULL dereference could cause application crashes or denial of service conditions. The vulnerability is classified under CWE-476. No CVSS score or vendor advisory detailing patch availability or mitigation steps is currently available.
Potential Impact
The impact of this vulnerability is limited to potential application crashes or denial of service due to NULL pointer dereference. There is no evidence of code execution or data compromise. No known exploits exist in the wild as of the published date.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or mitigation recommendations have been published. Monitor for updates from Microsoft before taking further action.
Red Hat Security Advisory: openssl security update
Description
OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library. Security Fix(es): * openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing (CVE-2026-28390) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-28390) concerns a potential NULL pointer dereference during the processing of CMS KeyTransportRecipientInfo in Microsoft products such as Azure Linux 2.0 and 3.0. The NULL dereference could cause application crashes or denial of service conditions. The vulnerability is classified under CWE-476. No CVSS score or vendor advisory detailing patch availability or mitigation steps is currently available.
Potential Impact
The impact of this vulnerability is limited to potential application crashes or denial of service due to NULL pointer dereference. There is no evidence of code execution or data compromise. No known exploits exist in the wild as of the published date.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or mitigation recommendations have been published. Monitor for updates from Microsoft before taking further action.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-28390
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a1ca158e29bf47b505e1e1d
Added to database: 5/31/2026, 9:00:08 PM
Last enriched: 5/31/2026, 9:04:17 PM
Last updated: 6/2/2026, 4:33:32 AM
Views: 5
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