How severe is CVE-2007-5226?

CVE-2007-5226 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2007-5226 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5226?

CVE-2007-5226 affects Dircproxy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-5226?

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

When was CVE-2007-5226 published?

CVE-2007-5226 was published on 2007-10-05 and last updated on 2026-06-16.

CVE-2007-5226

CVE-2007-5226 is a medium-severity vulnerability in Dircproxy 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Dircproxy
Published: 2007-10-05
Last modified: 2026-06-16

Description

irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.

Frequently asked questions

What is CVE-2007-5226?: irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.
How severe is CVE-2007-5226?: CVE-2007-5226 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2007-5226 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5226?: CVE-2007-5226 affects Dircproxy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-5226?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-5226 published?: CVE-2007-5226 was published on 2007-10-05 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:dircproxy:dircproxy:*:*:*:*:*:*:*:*

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