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CVE-2012-4146

NONECVSS 0.0

0.0

Opera before 12.01 allows remote attackers to cause a denial of service (application crash) via a crafted web site, as demonstrated by the Lenovo "Shop now" page.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 71.4%
KEV: Not listed

Published

August 6, 2012

Last Modified

April 29, 2026

References (6)

cve@mitrehttp://www.opera.com/docs/changelogs/mac/1201/
cve@mitrehttp://www.opera.com/docs/changelogs/unix/1201/
cve@mitrehttp://www.opera.com/docs/changelogs/windows/1201/
af854a3a-2127-422b-91ae-364da2661108http://www.opera.com/docs/changelogs/mac/1201/
af854a3a-2127-422b-91ae-364da2661108http://www.opera.com/docs/changelogs/unix/1201/
af854a3a-2127-422b-91ae-364da2661108http://www.opera.com/docs/changelogs/windows/1201/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-119Buffer Operations Within Bounds (Buffer Overflow)

Data Freshness Timeline

(refreshed 10× in last 7d / 52× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-24 14:02 UTCEPSS rescore
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2026-05-29 03:38 UTCEG score recompute
2026-05-29 03:38 UTCGHSA enrichment
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Frequently asked(4)

What is CVE-2012-4146?

CVE-2012-4146 is a none vulnerability published on August 6, 2012. Opera before 12.01 allows remote attackers to cause a denial of service (application crash) via a crafted web site, as demonstrated by the Lenovo "Shop now" page.

When was CVE-2012-4146 disclosed?

CVE-2012-4146 was first published in the National Vulnerability Database on August 6, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2012-4146 actively exploited?

CVE-2012-4146 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2012-4146?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-4146, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2012-4146

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