How severe is CVE-2005-2309?

CVE-2005-2309 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2005-2309 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-2309?

CVE-2005-2309 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-2309?

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

When was CVE-2005-2309 published?

CVE-2005-2309 was published on 2005-07-19 and last updated on 2026-06-16.

CVE-2005-2309

CVE-2005-2309 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. The underlying weakness is classified as CWE-400.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Opera Opera Browser
Published: 2005-07-19
Last modified: 2026-06-16

Description

Opera 8.01 allows remote attackers to cause a denial of service (CPU consumption) via a crafted JPEG image, as demonstrated using random.jpg.

Frequently asked questions

What is CVE-2005-2309?: Opera 8.01 allows remote attackers to cause a denial of service (CPU consumption) via a crafted JPEG image, as demonstrated using random.jpg.
How severe is CVE-2005-2309?: CVE-2005-2309 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-2309 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-2309?: CVE-2005-2309 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-2309?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-2309 published?: CVE-2005-2309 was published on 2005-07-19 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:opera:opera_browser:8.01:*:*:*:*:*:*:*

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