CVE-2026-5282

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{"bugzilla": {"description": "chromium-browser: Out of bounds read in WebCodecs", "id": "2453688", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2453688"}, "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-125", "details": ["An out of bounds read flaw was found in the WebCodecs component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=491655161"], "name": "CVE-2026-5282", "public_date": "2026-03-31T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-5282\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-5282\nhttps://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_31.html\nhttps://issues.chromium.org/issues/491655161"], "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": "2026-04-02T05:13:25.551545+00:00", "value": {"mitigation_remediation": ["Upgrade Google Chrome to version 146.0.7680.178 or newer.", "Verify the version in the browser settings to ensure the update has been applied."], "summary": {"action": "Immediate Patch", "impact": "Information disclosure"}, "threat_synthesis": {"affected_systems": "Google Chrome installations with versions older than 146.0.7680.178 on Windows, macOS, and Linux are susceptible to the issue. The vulnerability applies to all desktop platforms where Chrome is deployed.", "description_and_impact": "An out of bounds read flaw exists in the WebCodecs component of Google Chrome, allowing a remote attacker to read memory beyond the bounds of an allocated buffer. The resulting memory leak can expose sensitive data stored in the browser process. The weakness matches CWE-125.", "risk_and_exploitability": "The base CVSS score of 8.1 marks the vulnerability as high severity, although the EPSS score of less than 1% suggests a low probability of exploitation in the near term. It is not listed in CISA\u2019s KEV catalog. Based on the description, the attack vector is a remote web page that a user might visit, allowing the attacker to trigger the out of bounds read without additional user interaction."}}}}, "created": "2026-04-02T07:50:08.486557+00:00", "updated": "2026-04-02T20:18:19.873063+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}