CVE-2026-48852_CVE-2026-48852

3.7 / 10

LOW

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

Description

PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification.

Basic Information

ID CVE-2026-48852

Source mitre

Published May 25, 2026 at 20:19

Affected Product

Vendor PuTTY

Product PuTTY

Version 0.71

Affected Versions PuTTY PuTTY 0.71

CWE Classification

CWE-617

References

{
    "lastseen": "",
    "description": "PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification.",
    "published": "2026-05-25T20:19:20.809Z",
    "modified": "2026-05-25T20:19:20.809Z",
    "type": "cve",
    "title": "CVE-2026-48852",
    "source": "mitre",
    "references": "https://lists.tartarus.org/pipermail/putty-announce/2026/000042.html\nhttps://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/ecdsa-remotely-triggerable-assertion.html",
    "id": "CVE-2026-48852",
    "bulletinFamily": "",
    "cwe": [
        "CWE-617"
    ],
    "cvelist": null,
    "sourceData": "PuTTY PuTTY 0.71",
    "sourceHref": "",
    "cvss": {
        "score": 3.7,
        "severity": "LOW",
        "vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
        "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": "PuTTY",
    "version": "0.71",
    "vendor": "PuTTY",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}