What is CVE-2009-0949?

CVE-2009-0949 is a high-severity vulnerability in Apple Cups, classified under Use of Uninitialized Resource. CVSS score: 7.5/10. Published 2009-06-09.

How severe is CVE-2009-0949?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Apple Cups

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.

Published 2009-06-09 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.196 (97.3th percentile), scored 2026-09-28.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.196 · newest: 0.196 · change: 0.000

Affected products

Apple Cups
Apple Mac OS X
Apple Mac OS X Server
Canonical Ubuntu Linux — versions 6.06, 8.04, 8.10
Debian Linux — versions 4.0, 5.0, 6.0
openSUSE — versions 10.3
SUSE Linux Enterprise — versions 9.0, 10.0

Weakness classification (CWE)

CWE-908 — Use of Uninitialized Resource

References

www.securityfocus.com/bid/35169 (Exploit, VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
www.debian.org/security/2009/dsa-1811 (vendor-advisory, Third Party Advisory, Broken Link)
secunia.com/advisories/35340 (Broken Link, Vendor Advisory, third-party-advisory)
oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:9631 (Broken Link, signature, vdb-entry)
bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
secunia.com/advisories/35342 (Broken Link, Vendor Advisory, third-party-advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/50926 (VDB Entry, Third Party Advisory, vdb-entry)
lists.apple.com/archives/security-announce/2009/Sep/msg00004.html (vendor-advisory, Mailing List)
www.ubuntu.com/usn/USN-780-1 (vendor-advisory, Third Party Advisory)
www.coresecurity.com/content/AppleCUPS-null-pointer-vulnerability (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2009-0949?: CVE-2009-0949 is a high-severity vulnerability in Apple Cups, classified under Use of Uninitialized Resource. CVSS score: 7.5/10. Published 2009-06-09.
How severe is CVE-2009-0949?: High severity. CVSS v3 base score is 7.5 out of 10.