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{"bugzilla": {"description": "chromium-browser: Heap buffer overflow in ANGLE", "id": "2456737", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2456737"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["Heap buffer overflow in ANGLE in Google Chrome on Mac 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)", "A heap buffer overflow flaw was found in the ANGLE component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=493256564"], "name": "CVE-2026-5868", "public_date": "2026-04-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-5868\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-5868\nhttps://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html\nhttps://issues.chromium.org/issues/493256564"], "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": "[147.0.7727.55,147.0.7727.55)"}}], "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": "2026-04-13T19:39:29.844798+00:00", "value": {"mitigation_remediation": ["Update Google Chrome to version 147.0.7727.55 or later, which patches the ANGLE buffer overflow.", "If an update is not immediately possible, consider disabling or restricting ANGLE usage via Chrome flags or enterprise policy as a temporary measure.", "Monitor security advisories for any additional mitigation guidance or patches."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "Users running Google Chrome on macOS before version 147.0.7727.55 are affected. The issue exists in all builds of the stable Chrome channel on macOS that include the vulnerable ANGLE implementation. No other platforms or Chrome versions are listed as impacted.", "description_and_impact": "This vulnerability is a heap buffer overflow in the ANGLE graphics component of Google Chrome on macOS. An attacker can send a specially crafted HTML page that causes the overflow, allowing arbitrary code to run inside the browser's sandbox. The weakness is classified as a heap-based buffer overflow, which can compromise application confidentiality and integrity. The official severity is high, indicating that successful exploitation would enable a remote attacker to execute code with the sandbox's privileges.", "risk_and_exploitability": "The CVSS base score of 8.8 reflects significant impact with remote exploitation. The EPSS score of less than 1% indicates the probability of exploitation is currently low, and it is not listed in CISA's KEV catalog. Nevertheless, the attack vector is remote via a crafted HTML page delivered over the network, meaning that any user who visits a malicious website could be targeted. The sandbox limitation reduces damage scope, but arbitrary code execution is still possible within the sandbox context and could lead to privilege escalation or further compromise."}}}}, "created": "2026-04-09T08:17:34.618145+00:00", "updated": "2026-04-14T16:38:00.672134+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}