CVE-2026-42014
Gnutls: fix use-after-free in gnutls_pkcs11_token_set_pin
6.6CVSSMEDIUM
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.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:LConfidentialityLow
I:LIntegrityLow
A:HAvailabilityHigh
Weaknesses
Affected Products
and 4 more affected products View all →
Exploitability
No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
References
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
and 6 more references View all →
Timeline
Published
Jun 16, 2026
Last Updated
Jun 17, 2026
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