How severe is CVE-2007-0247?

CVE-2007-0247 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2007-0247 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-0247?

CVE-2007-0247 primarily affects Squid. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-0247?

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

When was CVE-2007-0247 published?

CVE-2007-0247 was published on 2007-01-16 and last updated on 2026-06-16.

CVE-2007-0247

CVE-2007-0247 is a medium-severity vulnerability in Squid with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 19% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Squid
Published: 2007-01-16
Last modified: 2026-06-16

Description

squid/src/ftp.c in Squid before 2.6.STABLE7 allows remote FTP servers to cause a denial of service (core dump) via crafted FTP directory listing responses, possibly related to the (1) ftpListingFinish and (2) ftpHtmlifyListEntry functions.

Frequently asked questions

What is CVE-2007-0247?: squid/src/ftp.c in Squid before 2.6.STABLE7 allows remote FTP servers to cause a denial of service (core dump) via crafted FTP directory listing responses, possibly related to the (1) ftpListingFinish and (2) ftpHtmlifyListEntry functions.
How severe is CVE-2007-0247?: CVE-2007-0247 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2007-0247 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-0247?: CVE-2007-0247 primarily affects Squid. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-0247?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-0247 published?: CVE-2007-0247 was published on 2007-01-16 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:squid:squid:2.6.stable1:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.6.stable2:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.6.stable3:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.6.stable4:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.6.stable5:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.6.stable6:*:*:*:*:*:*:*

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CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
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