How severe is CVE-2007-0126?

CVE-2007-0126 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2007-0126 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-0126?

CVE-2007-0126 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-0126?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2007-0126 published?

CVE-2007-0126 was published on 2007-01-09 and last updated on 2026-06-16.

CVE-2007-0126

CVE-2007-0126 is a critical-severity vulnerability in Opera Opera Browser with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Opera Opera Browser
Published: 2007-01-09
Last modified: 2026-06-16

Description

Heap-based buffer overflow in Opera 9.02 allows remote attackers to execute arbitrary code via a JPEG file with an invalid number of index bytes in the Define Huffman Table (DHT) marker.

Frequently asked questions

What is CVE-2007-0126?: Heap-based buffer overflow in Opera 9.02 allows remote attackers to execute arbitrary code via a JPEG file with an invalid number of index bytes in the Define Huffman Table (DHT) marker.
How severe is CVE-2007-0126?: CVE-2007-0126 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-0126 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-0126?: CVE-2007-0126 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-0126?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2007-0126 published?: CVE-2007-0126 was published on 2007-01-09 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:opera:opera_browser:9.02:*:*:*:*:*:*:*

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