How severe is CVE-2008-3676?

CVE-2008-3676 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-3676 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-3676?

CVE-2008-3676 affects Hmailserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-3676?

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

When was CVE-2008-3676 published?

CVE-2008-3676 was published on 2008-08-14 and last updated on 2026-06-16.

CVE-2008-3676

CVE-2008-3676 is a medium-severity vulnerability in Hmailserver with a CVSS 2.0 base score of 4.3. 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 4.3)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Hmailserver
Published: 2008-08-14
Last modified: 2026-06-16

Description

Unspecified vulnerability in the IMAP server in hMailServer 4.4.1 allows remote authenticated users to cause a denial of service (resource exhaustion or daemon crash) via a long series of IMAP commands.

Frequently asked questions

What is CVE-2008-3676?: Unspecified vulnerability in the IMAP server in hMailServer 4.4.1 allows remote authenticated users to cause a denial of service (resource exhaustion or daemon crash) via a long series of IMAP commands.
How severe is CVE-2008-3676?: CVE-2008-3676 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2008-3676 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-3676?: CVE-2008-3676 affects Hmailserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-3676?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-3676 published?: CVE-2008-3676 was published on 2008-08-14 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:hmailserver:hmailserver:4.4.1:*:*:*:*:*:*:*

More vulnerabilities in Hmailserver

CVE-2013-5571 — Medium (CVSS 5.9): HMailServer 5.3.x and prior: Memory Corruption which could cause DOS
CVE-2025-52372 — Medium (CVSS 5.1): An issue in hMailServer v.5.8.6 allows a local attacker to obtain sensitive information via the…
CVE-2025-52374 — Medium (CVSS 4.6): Use of hardcoded cryptographic key in Encryption.cs in hMailServer 5.8.6 and 5.6.9-beta allows attacker to decrypt…
CVE-2025-52373 — Medium (CVSS 4.6): Use of hardcoded cryptographic key in BlowFish.cpp in hMailServer 5.8.6 and 5.6.9-beta allows attacker to decrypt…

All CVEs affecting Hmailserver →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →