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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)"}], "id": "CVE-2026-11284", "lastModified": "2026-06-05T20:17:25.953", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2026-06-05T00:17:05.790", "references": [{"source": "chrome-cve-admin@google.com", "url": "https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html"}, {"source": "chrome-cve-admin@google.com", "url": "https://issues.chromium.org/issues/502073069"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1300"}], "source": "chrome-cve-admin@google.com", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-203"}, {"lang": "en", "value": "CWE-1300"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "chromium-browser: Side-channel information leakage in PerformanceAPIs", "id": "2485027", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2485027"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-346", "details": ["Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)", "A side-channel information leakage flaw was found in the PerformanceAPIs component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=502073069"], "name": "CVE-2026-11284", "public_date": "2026-06-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-11284\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-11284\nhttps://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html\nhttps://issues.chromium.org/issues/502073069"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.", "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,149.0.7827.53)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Chrome", "source": "cna", "vendor": "Google"}, "product": "chrome", "vendor": "google"}], "created": "2026-06-05T00:45:27.146009+00:00", "updated": "2026-06-07T15:45:03.184290+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}