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CVE-2026-42014

Gnutls: gnutls: use-after-free in gnutls_pkcs11_token_set_pin

MEDIUM
6.6
CVSS Score
Published: June 16, 2026 at 12:49 AM UTC
Updated: October 14, 2026 at 08:17 PM UTC
2 products affected across 1 vendorEnterprise LinuxOpenShift Container Platform

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Severity
MEDIUM6.6
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Enterprise Linux· Red Hatrpm
90%
All versions
Vendor states this is fixed in 0:3.3.29-9.el7_9.2 (unaffected)
Vendor states this is fixed in 0:3.6.14-10.el8_4.1 (unaffected)
Vendor states this is fixed in 0:3.6.16-5.el8_6.5 (unaffected)
Vendor states this is fixed in 0:3.6.16-7.el8_8.4 (unaffected)
Vendor states this is fixed in 0:3.6.16-8.el8_10.6 (unaffected)
Vendor states this is fixed in 0:3.7.6-21.el9_2.7 (unaffected)
Vendor states this is fixed in 0:3.8.10-4.el10_2 (unaffected)
Vendor states this is fixed in 0:3.8.10-4.el9_8 (unaffected)
Vendor states this is fixed in 0:3.8.3-4.el9_4.6 (unaffected)
Vendor states this is fixed in 0:3.8.3-6.el9_6.4 (unaffected)
Vendor states this is fixed in 0:3.8.9-9.el10_0.19 (unaffected)
Vendor states this is fixed in 0:4.13-3.el8_4.1 (unaffected)
Vendor states this is fixed in 0:4.13-3.el8_6.2 (unaffected)
Vendor states this is fixed in 0:4.13-4.el8_8.1 (unaffected)
Vendor states this is fixed in 6 (unknown)
OpenShift Container Platform· Red Hatcontainer
90%
All versions4
Vendor states this is fixed in 4 (unknown)

References (28)

Vendor Advisoryx_refsource_REDHAT
Source: cverecord
https://access.redhat.com/errata/RHSA-2026:20611
Vendor Advisoryx_refsource_REDHAT
Source: cverecord
https://access.redhat.com/errata/RHSA-2026:20612
Vendor Advisoryx_refsource_REDHAT
Source: cverecord
https://access.redhat.com/errata/RHSA-2026:20613
VDB Entryx_refsource_REDHAT
Source: cverecord
https://access.redhat.com/security/cve/CVE-2026-42014
Issue Trackingx_refsource_REDHAT
Source: cverecord
https://bugzilla.redhat.com/show_bug.cgi?id=2467451
Source: cverecord
https://gitlab.com/gnutls/gnutls/-/issues/1766
Source: cverecord
https://www.gnutls.org/security-new.html#GNUTLS-SA-2026-04-29-9
Vendor Advisoryx_refsource_REDHAT
Source: cverecord
https://access.redhat.com/errata/RHSA-2026:26319

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.6MEDIUMredhat
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-825

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