CVE-2026-42014
Gnutls: gnutls: use-after-free in gnutls_pkcs11_token_set_pin
CVSS Score
6.6
EPSS Score
0.1%
EPSS Percentile
5th
A flaw was found in GnuTLS. The `gnutls_pkcs11_token_set_pin` function, used for changing the Security Officer PIN, can lead to a use-after-free vulnerability. This occurs when an attacker attempts to change the PIN with a NULL old PIN for a token that lacks a protected authentication path.
| CWE | CWE-825 |
| Vendor | red hat |
| Product | red hat enterprise linux 10 |
| Published | Jun 16, 2026 |
| Last Updated | Jul 22, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
High
Affected Versions
Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 10.0 Extended Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 7 Extended Lifecycle Support
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
All versions affected Red Hat / Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
All versions affected Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Service
All versions affected Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Service
All versions affected Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 9.6 Extended Update Support
All versions affected Red Hat / Red Hat Discovery 2
All versions affected Red Hat / Red Hat Discovery 2
All versions affected Red Hat / Red Hat Hardened Images
All versions affected Red Hat / Red Hat Update Infrastructure 5
All versions affected Red Hat / Red Hat Update Infrastructure 5
All versions affected Red Hat / Red Hat Update Infrastructure 5
All versions affected Red Hat / Red Hat Update Infrastructure 5
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat OpenShift Container Platform 4
All versions affected Red Hat / Red Hat OpenShift Container Platform 4
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13274 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:20611 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:20612 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:20613 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:26319 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:26409 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:29197 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:30004 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:30849 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:30850 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:32962 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:33125 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:41921 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:43575 access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-42014 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2467451 gitlab.com: https://gitlab.com/gnutls/gnutls/-/issues/1766 gnutls.org: https://www.gnutls.org/security-new.html#GNUTLS-SA-2026-04-29-9
Credits
Red Hat would like to thank Joshua Rogers (AISLE Research Team) and Luigino Camastra for reporting this issue.