CVE-2026-42014
Published: May 3, 2026Last modified: May 11, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.6 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | LOW |
| Integrity impact | LOW |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | gnutls | Fixed (3.8.13-r0) |
| 25 LTS | gnutls | Fixed (3.8.13-r0) | |
| Stream | gnutls | Fixed (3.8.13-r0) |
References
- https://access.redhat.com/errata/RHSA-2026:20611
- https://access.redhat.com/errata/RHSA-2026:20612
- https://access.redhat.com/errata/RHSA-2026:20613
- https://access.redhat.com/errata/RHSA-2026:26319
- https://access.redhat.com/errata/RHSA-2026:26409
- https://access.redhat.com/security/cve/CVE-2026-42014
- https://bugzilla.redhat.com/show_bug.cgi?id=2467451
- https://gitlab.com/gnutls/gnutls/-/issues/1766
- https://www.gnutls.org/security-new.html#GNUTLS-SA-2026-04-29-9