CVE-2009-0164

CVE-2009-0164 is a medium-severity vulnerability in Apple Cups 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. The underlying weakness is classified as CWE-20.

Key facts

• Severity: Medium (CVSS 2.0 base score 6.4)
• EPSS exploit prediction: 3% (85th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-20
• Affected product: Apple Cups
• Published: 2009-04-24
• Last modified: 2026-06-16

Description

The web interface for CUPS before 1.3.10 does not validate the HTTP Host header in a client request, which makes it easier for remote attackers to conduct DNS rebinding attacks.

Frequently asked questions

What is CVE-2009-0164?

The web interface for CUPS before 1.3.10 does not validate the HTTP Host header in a client request, which makes it easier for remote attackers to conduct DNS rebinding attacks.

How severe is CVE-2009-0164?

CVE-2009-0164 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2009-0164 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0164?

CVE-2009-0164 primarily affects Apple Cups. In total, 78 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0164?

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

When was CVE-2009-0164 published?

CVE-2009-0164 was published on 2009-04-24 and last updated on 2026-06-16.

References

• http://bugs.gentoo.org/show_bug.cgi?id=263070
• http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
• http://secunia.com/advisories/35074
• http://security.gentoo.org/glsa/glsa-200904-20.xml
• http://support.apple.com/kb/HT3549
• http://wiki.rpath.com/Advisories:rPSA-2009-0061
• http://www.cups.org/articles.php?L582
• http://www.cups.org/str.php?L3118
• http://www.securityfocus.com/archive/1/502750/100/0/threaded
• http://www.securityfocus.com/bid/34665
• http://www.us-cert.gov/cas/techalerts/TA09-133A.html
• http://www.vupen.com/english/advisories/2009/1297
• https://bugzilla.redhat.com/show_bug.cgi?id=490597

Affected products (78)

• cpe:2.3:a:apple:cups:*:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.5:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.5-1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.5-2:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.6:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.6-1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.6-2:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.6-3:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.7:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.8:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.9:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.9-1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.10:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.10-1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.11:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.12:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.13:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.14:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.15:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.16:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.17:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.18:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.19:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.19:rc1:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.19:rc2:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.19:rc3:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.19:rc4:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.19:rc5:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.20:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.20:rc1:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.20:rc2:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.20:rc3:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.20:rc4:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.20:rc5:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.20:rc6:*:*:*:*:*:*

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