CVE-2009-0949

Name: CVE-2009-0949
Creator: NVD / NIST
Published: 2009-06-09T17:30:00.657+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 19.63%

Last modified Jun 16, 2026

CVE-2009-0949 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 19.63% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

19.63%

97.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-908

Affected Software

Vendor	Product	Versions
Apple	Cups	< 1.3.10
Canonical	Ubuntu Linux	6.06
Canonical	Ubuntu Linux	8.04
Canonical	Ubuntu Linux	8.10
Canonical	Ubuntu Linux	9.04
Debian	Debian Linux	4.0
Debian	Debian Linux	5.0
Debian	Debian Linux	6.0
Apple	Mac Os X	>= 10.0.0, < 10.4.11
Apple	Mac Os X	>= 10.5.0, < 10.5.8
Apple	Mac Os X Server	>= 10.0.0, < 10.4.11
Apple	Mac Os X Server	>= 10.5.0, < 10.5.8
Opensuse	Opensuse	10.3
Suse	Linux Enterprise	9.0
Suse	Linux Enterprise	10.0

References

http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.htmlMailing List
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.htmlMailing List
http://secunia.com/advisories/35322Broken Link, Vendor Advisory
http://secunia.com/advisories/35328Broken Link, Vendor Advisory
http://secunia.com/advisories/35340Broken Link, Vendor Advisory
http://secunia.com/advisories/35342Broken Link, Vendor Advisory
http://secunia.com/advisories/35685Broken Link
http://secunia.com/advisories/36701Broken Link
http://securitytracker.com/id?1022321Broken Link, Third Party Advisory, VDB Entry
http://support.apple.com/kb/HT3865Third Party Advisory
http://www.coresecurity.com/content/AppleCUPS-null-pointer-vulnerabilityExploit, Third Party Advisory
http://www.debian.org/security/2009/dsa-1811Broken Link, Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2009-1082.htmlBroken Link
http://www.redhat.com/support/errata/RHSA-2009-1083.htmlBroken Link
http://www.securityfocus.com/archive/1/504032/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/35169Broken Link, Exploit, Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-780-1Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=500972Issue Tracking
https://exchange.xforce.ibmcloud.com/vulnerabilities/50926Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9631Broken Link
http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.htmlMailing List
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.htmlMailing List
http://secunia.com/advisories/35322Broken Link, Vendor Advisory
http://secunia.com/advisories/35328Broken Link, Vendor Advisory
http://secunia.com/advisories/35340Broken Link, Vendor Advisory
http://secunia.com/advisories/35342Broken Link, Vendor Advisory
http://secunia.com/advisories/35685Broken Link
http://secunia.com/advisories/36701Broken Link
http://securitytracker.com/id?1022321Broken Link, Third Party Advisory, VDB Entry
http://support.apple.com/kb/HT3865Third Party Advisory
http://www.coresecurity.com/content/AppleCUPS-null-pointer-vulnerabilityExploit, Third Party Advisory
http://www.debian.org/security/2009/dsa-1811Broken Link, Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2009-1082.htmlBroken Link
http://www.redhat.com/support/errata/RHSA-2009-1083.htmlBroken Link
http://www.securityfocus.com/archive/1/504032/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/35169Broken Link, Exploit, Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-780-1Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=500972Issue Tracking
https://exchange.xforce.ibmcloud.com/vulnerabilities/50926Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9631Broken Link

Timeline

Published: Jun 9, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-0949?

How severe is CVE-2009-0949?

CVE-2009-0949 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 19.63% probability of exploitation in the next 30 days.

How do I fix CVE-2009-0949?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-0949?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST