CVE-2009-0949
CVE-2009-0949 is a high-severity vulnerability in Apple Cups with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 20% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-908.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 20% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-908
- Affected product: Apple Cups
- Published:
- Last modified:
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.
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 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2009-0949 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-0949?
- CVE-2009-0949 primarily affects Apple Cups. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2009-0949?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2009-0949 published?
- CVE-2009-0949 was published on 2009-06-09 and last updated on 2026-06-16.
References
- http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
- http://secunia.com/advisories/35322
- http://secunia.com/advisories/35328
- http://secunia.com/advisories/35340
- http://secunia.com/advisories/35342
- http://secunia.com/advisories/35685
- http://secunia.com/advisories/36701
- http://securitytracker.com/id?1022321
- http://support.apple.com/kb/HT3865
- http://www.coresecurity.com/content/AppleCUPS-null-pointer-vulnerability
- http://www.debian.org/security/2009/dsa-1811
- http://www.redhat.com/support/errata/RHSA-2009-1082.html
- http://www.redhat.com/support/errata/RHSA-2009-1083.html
- http://www.securityfocus.com/archive/1/504032/100/0/threaded
- http://www.securityfocus.com/bid/35169
- http://www.ubuntu.com/usn/USN-780-1
- https://bugzilla.redhat.com/show_bug.cgi?id=500972
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50926
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9631
Affected products (13)
- cpe:2.3:a:apple:cups:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x_server:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:10.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise:9.0:-:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise:10.0:-:*:*:*:*:*:*
More vulnerabilities in Apple Cups
- CVE-2008-5184 — Critical (CVSS 10.0): The web interface (cgi-bin/admin.c) in CUPS before 1.3.8 uses the guest username when a user is not logged on to the…
- CVE-2008-3641 — Critical (CVSS 10.0): The Hewlett-Packard Graphics Language (HPGL) filter in CUPS before 1.3.9 allows remote attackers to execute arbitrary…
- CVE-2008-0053 — Critical (CVSS 10.0): Multiple buffer overflows in the HP-GL/2-to-PostScript filter in CUPS before 1.3.6 might allow remote attackers to…
- CVE-2012-6094 — Critical (CVSS 9.8): cups (Common Unix Printing System) 'Listen localhost:631' option not honored correctly which could provide unauthorized…
- CVE-2010-2941 — Critical (CVSS 9.8): ipp.c in cupsd in CUPS 1.4.4 and earlier does not properly allocate memory for attribute values with invalid string…
- CVE-2004-2154 — Critical (CVSS 9.8): CUPS before 1.1.21rc1 treats a Location directive in cupsd.conf as case sensitive, which allows attackers to bypass…
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