CVE-2006-3199

Opera Browser vulnerability

CVSS

5.0

EPSS

14.6%

EPSS pct

96th

Exploited

No known

Opera 9 allows remote attackers to cause a denial of service (crash) via an A tag with an href attribute with a URL containing a long hostname, which triggers an out-of-bounds operation.

Affected vendor

Opera

Affected product

Opera Browser

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2006-06-23

Risk analysis

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

Its EPSS score of 14.6% 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-2006-3199

Confirm whether Opera Opera Browser is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2006-3199.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2006-3199

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2006-3199 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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