The CSS functionality in Opera 9 on Windows XP SP2 allows remote attackers to cause a denial of service (crash) by setting the background property of a DHTML element to a long http or https URL, which triggers memory corruption.
CVE-2006-3945
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 3%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 85.1%
- KEV
- Not listed
Published
July 31, 2006
Last Modified
April 16, 2026
References (8)
- cve@mitrehttp://browserfun.blogspot.com/2006/07/mobb-26-opera-css-background.html
- cve@mitrehttp://www.osvdb.org/27374
- cve@mitrehttp://www.vupen.com/english/advisories/2006/2987
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/27977
- af854a3a-2127-422b-91ae-364da2661108http://browserfun.blogspot.com/2006/07/mobb-26-opera-css-background.html
- af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/27374
- af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2006/2987
- af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/27977
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 5× in last 7d / 27× 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.
- 2026-07-11 08:22 UTCEPSS rescore
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- 2026-05-31 07:26 UTCEG score recompute
- 2026-05-31 07:26 UTCGHSA enrichment
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- 2026-05-18 21:29 UTCEPSS rescore
Related CVEs(same CWE)
Same CWE
10 shownCWE-787
- CVE-2007-0158EG 9.8CRITICAL
- CVE-2007-0899EG 9.8CRITICAL
- CVE-2011-2462EG 9.8 KEVEPSS 100%CRITICAL
- CVE-2010-20115EG 9.3CRITICAL
- CVE-2010-4398NVD 7.8EG 9.0 KEVEPSS 94%HIGH
- CVE-2010-3333NVD 7.8EG 9.0 KEVEPSS 100%HIGH
- CVE-2010-2883NVD 7.3EG 9.0 KEVEPSS 100%HIGH
- CVE-2010-1297NVD 7.8EG 9.0 KEVEPSS 100%HIGH
- CVE-2009-3953NVD 8.8EG 9.0 KEVEPSS 100%HIGH
- CVE-2009-3129NVD 7.8EG 9.0 KEVEPSS 100%HIGH
Frequently asked(4)
What is CVE-2006-3945?
CVE-2006-3945 is a none vulnerability published on July 31, 2006. The CSS functionality in Opera 9 on Windows XP SP2 allows remote attackers to cause a denial of service (crash) by setting the background property of a DHTML element to a long http or https URL, which triggers memory corruption.
When was CVE-2006-3945 disclosed?
CVE-2006-3945 was first published in the National Vulnerability Database on July 31, 2006, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2006-3945 actively exploited?
CVE-2006-3945 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2006-3945?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2006-3945, 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-2006-3945
Is Your Infrastructure Affected by CVE-2006-3945?
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