CVE-2026-42499

{"id": "CVE-2026-42499", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2026-05-07T20:16:44.540", "references": [{"url": "https://go.dev/cl/771520", "tags": ["Patch"], "source": "security@golang.org"}, {"url": "https://go.dev/issue/78987", "tags": ["Issue Tracking"], "source": "security@golang.org"}, {"url": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M", "tags": ["Release Notes"], "source": "security@golang.org"}, {"url": "https://pkg.go.dev/vuln/GO-2026-4977", "tags": ["Vendor Advisory"], "source": "security@golang.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322."}], "lastModified": "2026-05-13T16:59:17.563", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1C966EF3-C51C-4239-B5FC-C44A5202FEC8", "versionEndExcluding": "1.25.10"}, {"criteria": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "522E4CD0-2B99-4363-9C78-0BAFD988A2D6", "versionEndExcluding": "1.26.3", "versionStartIncluding": "1.26.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@golang.org"}