MEDIUM SEVERITY

CVE-2006-1834

Opera Browser vulnerability

CVSS
5.1
EPSS
12.1%
EPSS pct
96th
Exploited
No known
Integer signedness error in Opera before 8.54 allows remote attackers to execute arbitrary code via long values in a stylesheet attribute, which pass a length check. NOTE: a sign extension problem makes the attack easier with shorter strings.
Affected vendor
Opera
Affected product
Opera Browser
CVSS vector
AV:N/AC:H/Au:N/C:P/I:P/A:P
Weakness type (CWE)
Published
2006-04-19

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 12.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2006-1834

  • Confirm whether Opera Opera Browser is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2006-1834.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2006-1834

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