CVE-2026-47783_CVE-2026-47783

8.1 / 10

HIGH

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

Description

In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.

Basic Information

ID CVE-2026-47783

Source mitre

Published May 20, 2026 at 05:43

Affected Product

Vendor memcached

Product memcached

Affected Versions memcached memcached 0

CWE Classification

CWE-208

References

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    "lastseen": "",
    "description": "In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.",
    "published": "2026-05-20T05:43:46.976Z",
    "modified": "2026-05-20T05:43:46.976Z",
    "type": "cve",
    "title": "CVE-2026-47783",
    "source": "mitre",
    "references": "https://github.com/memcached/memcached/commit/d13f282b4bce33a9c33b8a1bbf07f12114160fed\nhttps://github.com/memcached/memcached/compare/1.6.41...1.6.42\nhttps://github.com/memcached/memcached/wiki/ReleaseNotes1642",
    "id": "CVE-2026-47783",
    "bulletinFamily": "",
    "cwe": [
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    "cvelist": null,
    "sourceData": "memcached memcached 0",
    "sourceHref": "",
    "cvss": {
        "score": 8.1,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
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        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "memcached",
    "version": "0",
    "vendor": "memcached",
    "ai_description": "",
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    "ai_score": 0
}