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{}

{"affected": [{"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[115.35,116.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[140.10,141.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[150,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Firefox", "source": "cna", "vendor": "Mozilla"}, "product": "firefox", "vendor": "mozilla"}], "analysis": {"en": {"generated_at": "2026-04-22T03:12:20.924990+00:00", "value": {"mitigation_remediation": ["Upgrade to Firefox version 150 or later", "Upgrade to Firefox ESR 115.35, 140.10 or later", "Monitor Mozilla security advisories for emergency patches or temporary mitigations until the upgrade can be performed"], "summary": {"action": "Immediate Update", "impact": "Memory corruption due to incorrect boundary handling in NSS"}, "threat_synthesis": {"affected_systems": "Mozilla Firefox is affected. Versions that incorporate the unpatched NSS library\u2014any build prior to Firefox 150, or the ESR releases preceding 115.35 and 140.10\u2014could be vulnerable.", "description_and_impact": "The vulnerability in the Libraries component of NSS is caused by incorrect boundary conditions that may lead to memory corruption. An attacker could potentially use this flaw to manipulate the execution flow or read Sensitive data depending on the exploit path used.", "risk_and_exploitability": "No EPSS or KEV data is available for this flaw, and the CVSS score is not listed. The lack of publicly known exploitation evidence suggests a moderate risk, but the exact likelihood depends on the specific conditions required to trigger the boundary error. Updating to a patched release eliminates the vulnerability."}}}}, "created": "2026-04-21T16:45:15.073446+00:00", "updated": "2026-04-22T03:15:06.411399+00:00", "vendors": ["mozilla", "mozilla$PRODUCT$firefox"], "weaknesses": ["CWE-119"]}