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Workaround
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Thu, 12 Nov 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in SSSD's conversion of X.509 certificate RSA public keys to SSH keys. Missing size checks before copying RSA components into fixed-size stack buffers can cause a stack buffer overflow. An attacker able to supply a certificate with oversized RSA components that passes the configured certificate checks can cause denial of service and corrupt SSH responder memory. | |
| Title | Sssd: sssd: stack buffer overflow during rsa certificate-to-ssh key conversion | |
| First Time appeared |
Redhat
Redhat enterprise Linux Redhat openshift Redhat rhel Els |
|
| Weaknesses | CWE-121 | |
| CPEs | cpe:/a:redhat:enterprise_linux:10 cpe:/a:redhat:enterprise_linux:8 cpe:/a:redhat:enterprise_linux:9 cpe:/a:redhat:openshift:4 cpe:/a:redhat:openshift:5 cpe:/o:redhat:rhel_els:6 cpe:/o:redhat:rhel_els:7 |
|
| Vendors & Products |
Redhat
Redhat enterprise Linux Redhat openshift Redhat rhel Els |
|
| References |
| |
| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-11-12T17:54:58.008Z
Reserved: 2026-11-12T14:41:14.737Z
Link: CVE-2026-127099
No data.
Status : Awaiting Analysis
Published: 2026-11-12T18:17:40.227
Modified: 2026-11-12T18:17:40.580
Link: CVE-2026-127099
No data.
OpenCVE Enrichment
No data.