Medium 4.3Published Nov 10, 2009

CVE-2009-2820The web interface in CUPS before 1.4.2, as used on Apple Mac OS X before 10.6.2 and other platforms, does not properly handle (1) HTTP headers and (2) HTML templates, which allows remote attackers to…

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

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It affects apple mac_os_x and 1 other product. Add what you run to find out whether that includes you.

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The web interface in CUPS before 1.4.2, as used on Apple Mac OS X before 10.6.2 and other platforms, does not properly handle (1) HTTP headers and (2) HTML templates, which allows remote attackers to conduct cross-site scripting (XSS) attacks and HTTP response splitting attacks via vectors related to (a) the product's web interface, (b) the configuration of the print system, and (c) the titles of printed jobs, as demonstrated by an XSS attack that uses the kerberos parameter to the admin program, and leverages attribute injection and HTTP Parameter Pollution (HPP) issues.

CVSS: 4.3 MEDIUM (v2.0, NVD)AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

apple mac_os_x apple:mac_os_x	through 10.6.1; 10.0; 10.0.0; 10.0.1; 10.0.2; 10.0.3; 10.0.4; 10.1; and 51 more ranges	NVD
apple mac_os_x_server apple:mac_os_x_server	through 10.6.1; 10.0; 10.0.0; 10.0.1; 10.0.2; 10.0.3; 10.0.4; 10.1; and 51 more ranges	NVD

References

References

http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html	vendor-advisory
http://secunia.com/advisories/37308
http://secunia.com/advisories/37360
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021115.1-1
http://support.apple.com/kb/HT3937	patch, vendor-advisory
http://www.cups.org/articles.php?L590
http://www.cups.org/documentation.php/relnotes.html
http://www.cups.org/str.php?L3367
http://www.mandriva.com/security/advisories?name=MDVSA-2010:072
http://www.mandriva.com/security/advisories?name=MDVSA-2010:073
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.