{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4449", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-03-19T20:23:50.609Z", "datePublished": "2026-03-20T01:34:49.580Z", "dateUpdated": "2026-03-21T04:01:17.525Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "146.0.7680.153", "status": "affected", "lessThan": "146.0.7680.153", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Use after free in Blink in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Use after free", "cweId": "CWE-416"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-03-20T01:34:49.580Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html"}, {"url": "https://issues.chromium.org/issues/487117772"}]}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-03-20T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-4449"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-21T04:01:17.525Z"}}]}}

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{"bugzilla": {"description": "chromium-browser: Use after free in Blink", "id": "2449397", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2449397"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.6", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-1341", "details": ["An use after free flaw was found in the Blink component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=487117772"], "name": "CVE-2026-4449", "public_date": "2026-03-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-4449\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-4449\nhttps://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html\nhttps://issues.chromium.org/issues/487117772"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[146.0.7680.153,146.0.7680.153)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Chrome", "source": "cna", "vendor": "Google"}, "product": "chrome", "vendor": "google"}], "analysis": {"en": {"generated_at": "2026-03-20T19:24:01.731958+00:00", "value": {"mitigation_remediation": ["Apply the latest Chrome update (146.0.7680.153 or newer).", "Restart Chrome after the update to ensure the patch is loaded.", "Keep the operating system and any browser extensions up to date to reduce ancillary risk."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "Users running Google Chrome versions prior to 146.0.7680.153 on any operating system, including Windows, macOS, and Linux, are affected. The issue does not affect other browsers or Chrome extensions directly.", "description_and_impact": "A use\u2011after\u2011free bug in Blink, the rendering engine of Google Chrome, allows a heap corruption condition to be triggered by a crafted HTML page. The vulnerability is rated high severity and can lead to arbitrary code execution if successfully exploited.", "risk_and_exploitability": "The CVSS score of 8.8 indicates a substantial risk, and the EPSS score of less than 1% suggests that exploitation is currently uncommon. The vulnerability is not listed in CISA\u2019s Known Exploited Vulnerabilities catalog. The likely attack vector is a remote attacker delivering malicious HTML content that triggers the use\u2011after\u2011free while the browser is rendering the page, compromising the browser process and potentially the system."}}}}, "created": "2026-03-20T08:53:27.357460+00:00", "updated": "2026-03-25T14:09:56.950601+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}