Gnutls: fix use-after-free in gnutls_pkcs11_token_set_pin_CVE-2026-42014

6.6 / 10

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

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.

Basic Information

ID CVE-2026-42014

Source redhat

Published Jun 16, 2026 at 00:49

Affected Product

Vendor Red Hat

Product Red Hat Enterprise Linux 10

Version 0:3.8.10-4.el10_2

CWE Classification

CWE-825

References

{
    "lastseen": "",
    "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.",
    "published": "2026-06-16T00:49:15.162Z",
    "modified": "2026-06-16T00:49:15.162Z",
    "type": "cve",
    "title": "Gnutls: fix use-after-free in gnutls_pkcs11_token_set_pin",
    "source": "redhat",
    "references": "https://access.redhat.com/errata/RHSA-2026:20611\nhttps://access.redhat.com/errata/RHSA-2026:20612\nhttps://access.redhat.com/errata/RHSA-2026:20613\nhttps://access.redhat.com/security/cve/CVE-2026-42014\nhttps://bugzilla.redhat.com/show_bug.cgi?id=2467451\nhttps://gitlab.com/gnutls/gnutls/-/issues/1766\nhttps://www.gnutls.org/security-new.html#GNUTLS-SA-2026-04-29-9",
    "id": "CVE-2026-42014",
    "bulletinFamily": "",
    "cwe": [
        "CWE-825"
    ],
    "cvelist": null,
    "sourceData": "",
    "sourceHref": "",
    "cvss": {
        "score": 6.6,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Red Hat Enterprise Linux 10",
    "version": "0:3.8.10-4.el10_2",
    "vendor": "Red Hat",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}