CVE-2009-0949
HIGHCVSS 7.5/10EPSS 19.63%
Last modified
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/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
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://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.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
- 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.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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2009-0949?
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.
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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