SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2006-3353

Opera 9 allows remote attackers to cause a denial of service (crash) via a crafted web page that triggers an out-of-bounds memory access, related to an iframe and JavaScript that accesses certain style sheets properties.

EXPLOIT ✓MEDIUM 5.0EPSS 8.36%

Does this matter?

A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 8.4%. Treat it as high on anything reachable from the internet.

Description

Opera 9 allows remote attackers to cause a denial of service (crash) via a crafted web page that triggers an out-of-bounds memory access, related to an iframe and JavaScript that accesses certain style sheets properties.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
8.36% probability · 95th percentile
Public exploits
1 in Exploit-DB · verified · first 1 July 2006
CISA KEV
Not listed
Weakness
CWE-119
Affected
opera/opera browser
Source
cve@mitre.org
EPSS trend
0%5%10%26 October 2026: 8.36%26 October 202626 October 2026

EPSS 8.4% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-1972source ↗Opera Web Browser 9.00 - 'iframe' Remote Denial of Servicemultiple · y3dipsdos1 July 2006yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.