CVE-2026-5284

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{"bugzilla": {"description": "chromium-browser: Use after free in Dawn", "id": "2453684", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2453684"}, "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-825", "details": ["An use after free flaw was found in the Dawn component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=492139412"], "name": "CVE-2026-5284", "public_date": "2026-03-31T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-5284\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-5284\nhttps://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_31.html\nhttps://issues.chromium.org/issues/492139412"], "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": "[146.0.7680.178,146.0.7680.178)"}}], "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": "2026-04-02T04:43:43.365558+00:00", "value": {"mitigation_remediation": ["Upgrade Google Chrome to version 146.0.7680.178 or newer.", "If an immediate upgrade is not feasible, isolate or sandbox renderer processes to minimize privilege levels.", "Apply strict content\u2011security policies to limit the execution of arbitrary scripts in web pages.", "Monitor for suspicious activity in renderer processes and investigate any anomalous behavior promptly."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The flaw affects Google Chrome versions prior to 146.0.7680.178. It is present on all major operating systems supported by Chrome, including macOS, Linux, and Windows, as the vulnerability resides in the shared rendering component rather than a platform\u2011specific module.", "description_and_impact": "A use\u2011after\u2011free flaw exists in the Dawn rendering engine of Google Chrome, which allows an attacker who has already compromised the renderer process to run arbitrary code. The vulnerability is triggered by a specially crafted HTML page and is classified as high severity in Chromium\u2019s own ranking.", "risk_and_exploitability": "The CVSS score of 7.5 indicates a high impact if exploited, but the EPSS score of less than 1% suggests a low expected exploitation rate. The vulnerability is not listed in the CISA KEV catalog. Exploitation requires that the attacker can influence or already control the renderer process, which is generally isolated from the main browser process, so while the potential damage is significant, the likelihood of a real\u2011world attack remains modest."}}}}, "created": "2026-04-02T07:50:05.471574+00:00", "updated": "2026-04-02T20:18:17.144645+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}