How severe is CVE-2009-3049?

CVE-2009-3049 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-3049 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3049?

CVE-2009-3049 primarily affects Opera Opera Browser. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-3049?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-3049 published?

CVE-2009-3049 was published on 2009-09-02 and last updated on 2026-06-16.

CVE-2009-3049

CVE-2009-3049 is a medium-severity vulnerability in Opera Opera Browser with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Opera Opera Browser
Published: 2009-09-02
Last modified: 2026-06-16

Description

Opera before 10.00 does not properly display all characters in Internationalized Domain Names (IDN) in the address bar, which allows remote attackers to spoof URLs and conduct phishing attacks, related to Unicode and Punycode.

Frequently asked questions

What is CVE-2009-3049?: Opera before 10.00 does not properly display all characters in Internationalized Domain Names (IDN) in the address bar, which allows remote attackers to spoof URLs and conduct phishing attacks, related to Unicode and Punycode.
How severe is CVE-2009-3049?: CVE-2009-3049 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-3049 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3049?: CVE-2009-3049 primarily affects Opera Opera Browser. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3049?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-3049 published?: CVE-2009-3049 was published on 2009-09-02 and last updated on 2026-06-16.

References

Affected products (25)

cpe:2.3:a:opera:opera_browser:*:beta_3:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.0:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.23:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.53:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.54:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.60:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:8.0:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:8.01:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:8.02:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:8.50:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:8.51:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:8.52:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:8.53:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:8.54:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.0:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.01:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.02:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.10:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.12:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.20:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.21:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.22:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.51:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.52:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.64:*:*:*:*:*:*:*

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