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{"bugzilla": {"description": "chromium-browser: Out of bounds read and write in V8", "id": "2456808", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2456808"}, "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-125", "details": ["Out of bounds read and write in V8 in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)", "An out of bounds read and write flaw was found in the V8 component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=496301615"], "name": "CVE-2026-5873", "public_date": "2026-04-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-5873\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-5873\nhttps://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html\nhttps://issues.chromium.org/issues/496301615"], "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": "[0,147.0.7727.55)"}}], "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": "2026-04-13T19:38:18.643869+00:00", "value": {"mitigation_remediation": ["Update Chrome to version 147.0.7727.55 or later via Google Chrome Update.", "Enable automatic updates to ensure future patches are applied promptly.", "Verify the current version by opening chrome://settings/help. If the version is older, consider removing Chrome or blocking it until a safe update is available."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "All environments running Google Chrome before version 147.0.7727.55 are affected, including Windows, macOS, and Linux distributions. The CPE identifiers list these operating systems, indicating a broad impact across Chrome users on mainstream platforms.", "description_and_impact": "The vulnerability involves an out-of-bounds read and write in the V8 JavaScript engine used by Google Chrome. A crafted HTML page can cause the browser to read and then write to memory locations outside the intended buffer, allowing an attacker to execute arbitrary code within the browser sandbox. This is a classic bounds\u2011checking flaw (CWE\u2011125) combined with an unsafe write (CWE\u2011787).", "risk_and_exploitability": "The CVSS score of 8.8 classifies the issue as high severity. EPSS indicates a probability of less than 1% for exploitation, and it is not currently listed in the CISA KEV catalog, suggesting no widespread active exploitation. Nonetheless, the flaw can be triggered remotely by hosting a malicious page that a user visits, so the attack vector is inferred to be remote. Given the severity and potential for arbitrary code execution, prompt remediation is advised."}}}}, "created": "2026-04-09T08:17:29.535782+00:00", "updated": "2026-04-14T16:37:55.295221+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}