How severe is CVE-2005-4828?

CVE-2005-4828 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2005-4828 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-4828?

CVE-2005-4828 primarily affects Kolab Kolab Groupware Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-4828?

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

When was CVE-2005-4828 published?

CVE-2005-4828 was published on 2005-12-31 and last updated on 2026-06-16.

CVE-2005-4828

CVE-2005-4828 is a medium-severity vulnerability in Kolab Kolab Groupware Server 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

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Kolab Kolab Groupware Server
Published: 2005-12-31
Last modified: 2026-06-16

Description

Kolab Server 2.0.0 and 2.0.1 does not properly handle when a large email is sent with a "." in the wrong place, which causes kolabfilter to add another ".", which might break clear-text signatures and attachments. NOTE: it is not clear whether this issue crosses privilege boundaries, so this might not be a vulnerability.

Frequently asked questions

What is CVE-2005-4828?: Kolab Server 2.0.0 and 2.0.1 does not properly handle when a large email is sent with a "." in the wrong place, which causes kolabfilter to add another ".", which might break clear-text signatures and attachments. NOTE: it is not clear whether this issue crosses privilege boundaries, so this might not be a vulnerability.
How severe is CVE-2005-4828?: CVE-2005-4828 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2005-4828 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4828?: CVE-2005-4828 primarily affects Kolab Kolab Groupware Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-4828?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-4828 published?: CVE-2005-4828 was published on 2005-12-31 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:kolab:kolab_groupware_server:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:kolab:kolab_groupware_server:2.0.1:*:*:*:*:*:*:*

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