CVE-2026-57062_CVE-2026-57062

2.9 / 10

LOW

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

Description

CMS (Cryptographic Message Syntax) parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS format for AES-GCM because aes-ICVlen is supposed to be 12 bytes but 4 bytes is accepted. NOTE: this is related to CVE-2026-34182.

Basic Information

ID CVE-2026-57062

Source mitre

Published Jun 23, 2026 at 17:26

Modified Jun 23, 2026 at 17:35

Affected Product

Vendor GnuPG

Product GnuPG

Affected Versions GnuPG GnuPG 0

CWE Classification

CWE-1284

References

{
    "lastseen": "",
    "description": "CMS (Cryptographic Message Syntax) parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS format for AES-GCM because aes-ICVlen is supposed to be 12 bytes but 4 bytes is accepted. NOTE: this is related to CVE-2026-34182.",
    "published": "2026-06-23T17:26:25.133Z",
    "modified": "2026-06-23T17:35:30.113Z",
    "type": "cve",
    "title": "CVE-2026-57062",
    "source": "mitre",
    "references": "https://blog.calif.io/p/how-to-format-a-ciphertext\nhttps://www.gnupg.org/download/",
    "id": "CVE-2026-57062",
    "bulletinFamily": "",
    "cwe": [
        "CWE-1284"
    ],
    "cvelist": null,
    "sourceData": "GnuPG GnuPG 0",
    "sourceHref": "",
    "cvss": {
        "score": 2.9,
        "severity": "LOW",
        "vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
        "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": "GnuPG",
    "version": "0",
    "vendor": "GnuPG",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}