How severe is CVE-2007-1501?

CVE-2007-1501 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2007-1501 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1501?

CVE-2007-1501 affects Avant Force Avant Browser. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-1501?

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-2007-1501 published?

CVE-2007-1501 was published on 2007-03-19 and last updated on 2026-06-16.

CVE-2007-1501

CVE-2007-1501 is a critical-severity vulnerability in Avant Force Avant Browser with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Avant Force Avant Browser
Published: 2007-03-19
Last modified: 2026-06-16

Description

Stack-based buffer overflow in Avant Browser 11.0 build 26 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long Content-Type HTTP header.

Frequently asked questions

What is CVE-2007-1501?: Stack-based buffer overflow in Avant Browser 11.0 build 26 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long Content-Type HTTP header.
How severe is CVE-2007-1501?: CVE-2007-1501 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-1501 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-1501?: CVE-2007-1501 affects Avant Force Avant Browser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-1501?: 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-2007-1501 published?: CVE-2007-1501 was published on 2007-03-19 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:avant_force:avant_browser:11.0_build_26:*:*:*:*:*:*:*

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