CVE-2009-3700

CVE-2009-3700 is a medium-severity vulnerability in Squidguard 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-119.

Key facts

Description

Buffer overflow in sgLog.c in squidGuard 1.3 and 1.4 allows remote attackers to cause a denial of service (application hang or loss of blocking functionality) via a long URL with many / (slash) characters, related to "emergency mode."

Frequently asked questions

What is CVE-2009-3700?
Buffer overflow in sgLog.c in squidGuard 1.3 and 1.4 allows remote attackers to cause a denial of service (application hang or loss of blocking functionality) via a long URL with many / (slash) characters, related to "emergency mode."
How severe is CVE-2009-3700?
CVE-2009-3700 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-3700 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3700?
CVE-2009-3700 primarily affects Squidguard. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3700?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-3700 published?
CVE-2009-3700 was published on 2009-10-28 and last updated on 2026-06-16.

References

Affected products (2)

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