CVE-2001-0996

CVE-2001-0996 is a medium-severity vulnerability in Pop3lite with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

POP3Lite before 0.2.4 does not properly quote a . (dot) in an email message, which could allow a remote attacker to append arbitrary text to the end of an email message, which could then be interpreted by various mail clients as valid POP server responses or other input that could cause clients to crash or otherwise behave unexpectedly.

Frequently asked questions

What is CVE-2001-0996?
POP3Lite before 0.2.4 does not properly quote a . (dot) in an email message, which could allow a remote attacker to append arbitrary text to the end of an email message, which could then be interpreted by various mail clients as valid POP server responses or other input that could cause clients to crash or otherwise behave unexpectedly.
How severe is CVE-2001-0996?
CVE-2001-0996 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2001-0996 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-2001-0996?
CVE-2001-0996 primarily affects Pop3lite. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0996?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0996 published?
CVE-2001-0996 was published on 2001-09-02 and last updated on 2026-06-16.

References

Affected products (2)