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Vulnerability record · CVE-2009-0949 · published 9 June 2009

CVE-2009-0949: Apple cups use of uninitialized resource vulnerability

Apple · Cups

The ippReadIO function in cups/ipp.c in cupsd in CUPS before 1.3.10 does not properly initialize memory for IPP request packets, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a scheduler request with two consecutive IPP_TAG_UNSUPPORTED tags.

7.5 CVSS 3.1 High EPSS 20% · top 2.7% CWE-908 · Use of uninitialized resource
7.5CVSS 3.1 base score, v2 5.0
20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
40References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

The ippReadIO function in cups/ipp.c in cupsd in CUPS before 1.3.10 does not properly initialize memory for IPP request packets, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a scheduler request with two consecutive IPP_TAG_UNSUPPORTED tags.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

7 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.html Mailing List
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html Mailing List
http://secunia.com/advisories/35322 Broken LinkVendor Advisory
http://secunia.com/advisories/35328 Broken LinkVendor Advisory
http://secunia.com/advisories/35340 Broken LinkVendor Advisory
http://secunia.com/advisories/35342 Broken LinkVendor Advisory
http://secunia.com/advisories/35685 Broken Link
http://secunia.com/advisories/36701 Broken Link
http://securitytracker.com/id?1022321 Broken LinkThird Party AdvisoryVDB Entry
http://support.apple.com/kb/HT3865 Third Party Advisory
http://www.coresecurity.com/content/AppleCUPS-null-pointer-vulnerability ExploitThird Party Advisory
http://www.debian.org/security/2009/dsa-1811 Broken LinkThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2009-1082.html Broken Link
http://www.redhat.com/support/errata/RHSA-2009-1083.html Broken Link
http://www.securityfocus.com/archive/1/504032/100/0/threaded Broken LinkThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/35169 Broken LinkExploitThird Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-780-1 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=500972 Issue Tracking
https://exchange.xforce.ibmcloud.com/vulnerabilities/50926 Third Party AdvisoryVDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9631 Broken Link
http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.html Mailing List
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html Mailing List
http://secunia.com/advisories/35322 Broken LinkVendor Advisory
http://secunia.com/advisories/35328 Broken LinkVendor Advisory
http://secunia.com/advisories/35340 Broken LinkVendor Advisory
http://secunia.com/advisories/35342 Broken LinkVendor Advisory
http://secunia.com/advisories/35685 Broken Link
http://secunia.com/advisories/36701 Broken Link
http://securitytracker.com/id?1022321 Broken LinkThird Party AdvisoryVDB Entry
http://support.apple.com/kb/HT3865 Third Party Advisory
http://www.coresecurity.com/content/AppleCUPS-null-pointer-vulnerability ExploitThird Party Advisory
http://www.debian.org/security/2009/dsa-1811 Broken LinkThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2009-1082.html Broken Link
http://www.redhat.com/support/errata/RHSA-2009-1083.html Broken Link
http://www.securityfocus.com/archive/1/504032/100/0/threaded Broken LinkThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/35169 Broken LinkExploitThird Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-780-1 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=500972 Issue Tracking
https://exchange.xforce.ibmcloud.com/vulnerabilities/50926 Third Party AdvisoryVDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9631 Broken Link

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Source: NIST National Vulnerability Database (record CVE-2009-0949), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.