How severe is CVE-2007-5467?

CVE-2007-5467 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2007-5467 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5467?

CVE-2007-5467 affects Extremail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-5467?

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-2007-5467 published?

CVE-2007-5467 was published on 2007-10-15 and last updated on 2026-06-16.

CVE-2007-5467

CVE-2007-5467 is a critical-severity vulnerability in Extremail with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-189.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Extremail
Published: 2007-10-15
Last modified: 2026-06-16

Description

Integer overflow in eXtremail 2.1.1 and earlier allows remote attackers to cause a denial of service, and possibly execute arbitrary code, via a long USER command containing "%s" sequences to the pop3 port (110/tcp), which are expanded to "%%s" before being used in the memmove function, possibly due to an incomplete fix for CVE-2001-1078.

Frequently asked questions

What is CVE-2007-5467?: Integer overflow in eXtremail 2.1.1 and earlier allows remote attackers to cause a denial of service, and possibly execute arbitrary code, via a long USER command containing "%s" sequences to the pop3 port (110/tcp), which are expanded to "%%s" before being used in the memmove function, possibly due to an incomplete fix for CVE-2001-1078.
How severe is CVE-2007-5467?: CVE-2007-5467 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2007-5467 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5467?: CVE-2007-5467 affects Extremail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-5467?: 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-2007-5467 published?: CVE-2007-5467 was published on 2007-10-15 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:extremail:extremail:*:*:*:*:*:*:*:*

More vulnerabilities in Extremail

CVE-2007-5466 — Critical (CVSS 10.0): Multiple buffer overflows in eXtremail 2.1.1 and earlier allow remote attackers to (1) have an unknown impact by…
CVE-2007-2188 — Critical (CVSS 10.0): eXtremail 2.1.1 and earlier does not verify the ID field (aka transaction id) in DNS responses, which makes it easier…
CVE-2007-2187 — Critical (CVSS 10.0): Stack-based buffer overflow in eXtremail 2.1.1 and earlier allows remote attackers to execute arbitrary code via a long…
CVE-2006-6926 — Critical (CVSS 10.0): Buffer overflow in eXtremail 2.1 has unknown impact and attack vectors, as demonstrated by VulnDisco Pack. NOTE: The…
CVE-2004-0332 — Critical (CVSS 10.0): Extremail 1.5.9 does not check passwords correctly when they are all digits or begin with a digit, which allows remote…
CVE-2001-1078 — Critical (CVSS 10.0): Format string vulnerability in flog function of eXtremail 1.1.9 and earlier allows remote attackers to gain root…

All CVEs affecting Extremail →

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