How severe is CVE-2008-4163?

CVE-2008-4163 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2008-4163 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4163?

CVE-2008-4163 primarily affects Isc Bind. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-4163?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2008-4163 published?

CVE-2008-4163 was published on 2008-09-22 and last updated on 2026-06-16.

CVE-2008-4163

CVE-2008-4163 is a high-severity vulnerability in Isc Bind with a CVSS 2.0 base score of 7.8. 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: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Isc Bind
Published: 2008-09-22
Last modified: 2026-06-16

Description

Unspecified vulnerability in ISC BIND 9.3.5-P2-W1, 9.4.2-P2-W1, and 9.5.0-P2-W1 on Windows allows remote attackers to cause a denial of service (UDP client handler termination) via unknown vectors.

Frequently asked questions

What is CVE-2008-4163?: Unspecified vulnerability in ISC BIND 9.3.5-P2-W1, 9.4.2-P2-W1, and 9.5.0-P2-W1 on Windows allows remote attackers to cause a denial of service (UDP client handler termination) via unknown vectors.
How severe is CVE-2008-4163?: CVE-2008-4163 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2008-4163 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4163?: CVE-2008-4163 primarily affects Isc Bind. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-4163?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-4163 published?: CVE-2008-4163 was published on 2008-09-22 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:isc:bind:9.3.5:p2_w1:*:*:*:*:*:*
cpe:2.3:a:isc:bind:9.4.2:p2_w1:*:*:*:*:*:*
cpe:2.3:a:isc:bind:9.5.0:p2_w1:*:*:*:*:*:*

More vulnerabilities in Isc Bind

CVE-2008-0122 — Critical (CVSS 10.0): Off-by-one error in the inet_network function in libbind in ISC BIND 9.4.2 and earlier, as used in libc in FreeBSD 6.2…
CVE-2001-0011 — Critical (CVSS 10.0): Buffer overflow in nslookupComplain function in BIND 4 allows remote attackers to gain root privileges.
CVE-2001-0013 — Critical (CVSS 10.0): Format string vulnerability in nslookupComplain function in BIND 4 allows remote attackers to gain root privileges.
CVE-2001-0010 — Critical (CVSS 10.0): Buffer overflow in transaction signature (TSIG) handling code in BIND 8 allows remote attackers to gain root privileges.
CVE-2000-1029 — Critical (CVSS 10.0): Buffer overflow in host command allows a remote attacker to execute arbitrary commands via a long response to an AXFR…
CVE-1999-0837 — Critical (CVSS 10.0): Denial of service in BIND by improperly closing TCP sessions via so_linger.

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