Guntls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal_CVE-2026-5419

{
    "lastseen": "",
    "description": "A flaw was found in gnutls. The PKCS#7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of information disclosure.",
    "published": "2026-06-01T19:26:56.524Z",
    "modified": "2026-06-01T19:28:10.391Z",
    "type": "cve",
    "title": "Guntls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal",
    "source": "redhat",
    "references": "https://access.redhat.com/errata/RHSA-2026:20613\nhttps://access.redhat.com/security/cve/CVE-2026-5419\nhttps://bugzilla.redhat.com/show_bug.cgi?id=2467686",
    "id": "CVE-2026-5419",
    "bulletinFamily": "",
    "cwe": [
        "CWE-208"
    ],
    "cvelist": null,
    "sourceData": "",
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    "cvss": {
        "score": 3.7,
        "severity": "LOW",
        "vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
        "version": "3.1"
    },
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        "privilegesRequired": "",
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        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Red Hat Enterprise Linux 10",
    "version": "0:3.8.10-4.el10_2",
    "vendor": "Red Hat",
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    "ai_score": 0
}