Vulnerability Description
A flaw was found in p11-kit. A remote attacker could exploit this vulnerability by calling the C_DeriveKey function on a remote token with specific IBM kyber or IBM btc derive mechanism parameters set to NULL. This could lead to the RPC-client attempting to return an uninitialized value, potentially resulting in a NULL dereference or undefined behavior. This issue may cause an application level denial of service or other unpredictable system states.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| P11-Kit Project | P11-Kit | - |
| Redhat | Hardened Images | - |
| Redhat | Enterprise Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2026:18143
- https://access.redhat.com/errata/RHSA-2026:18599
- https://access.redhat.com/errata/RHSA-2026:7065
- https://access.redhat.com/security/cve/CVE-2026-2100Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2437308Issue TrackingVendor Advisory
- https://github.com/p11-glue/p11-kit/pull/740Issue TrackingPatch
FAQ
What is CVE-2026-2100?
CVE-2026-2100 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A flaw was found in p11-kit. A remote attacker could exploit this vulnerability by calling the C_DeriveKey function on a remote token with specific IBM kyber or IBM btc derive mechanism parameters set...
How severe is CVE-2026-2100?
CVE-2026-2100 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-2100?
Check the references section above for vendor advisories and patch information. Affected products include: P11-Kit Project P11-Kit, Redhat Hardened Images, Redhat Enterprise Linux.