How severe is CVE-2008-2326?

CVE-2008-2326 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2008-2326 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-2326?

CVE-2008-2326 affects Apple Bonjour. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-2326?

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

When was CVE-2008-2326 published?

CVE-2008-2326 was published on 2008-09-11 and last updated on 2026-06-16.

CVE-2008-2326

CVE-2008-2326 is a medium-severity vulnerability in Apple Bonjour 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: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Apple Bonjour
Published: 2008-09-11
Last modified: 2026-06-16

Description

mDNSResponder in the Bonjour Namespace Provider in Apple Bonjour for Windows before 1.0.5 allows attackers to cause a denial of service (NULL pointer dereference and application crash) by resolving a crafted .local domain name that contains a long label.

Frequently asked questions

What is CVE-2008-2326?: mDNSResponder in the Bonjour Namespace Provider in Apple Bonjour for Windows before 1.0.5 allows attackers to cause a denial of service (NULL pointer dereference and application crash) by resolving a crafted .local domain name that contains a long label.
How severe is CVE-2008-2326?: CVE-2008-2326 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2008-2326 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-2326?: CVE-2008-2326 affects Apple Bonjour. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-2326?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-2326 published?: CVE-2008-2326 was published on 2008-09-11 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:apple:bonjour:1.0.4:unknown:windows:*:*:*:*:*

More vulnerabilities in Apple Bonjour

CVE-2008-3630 — Medium (CVSS 6.4): mDNSResponder in Apple Bonjour for Windows before 1.0.5, when an application uses the Bonjour API for unicast DNS, does…
CVE-2011-0220 — Medium (CVSS 5.5): Apple Bonjour before 2011 allows a crash via a crafted multicast DNS packet.

All CVEs affecting Apple Bonjour →

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 →