CVE-2009-0949The ippReadIO function in cups/ipp.c in cupsd in CUPS before 1.3.10 does not properly initialize memory for IPP request packets, which…
- 7.5HighCVSS base score
- 19.6%Exploitation in 30 daysEPSS · top 2.6% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- CUPS 1.3.9 - 'cups/ipp.c' Null Pointer Dereference Denial of Service (Exploit-DB entry) (opens in a new tab)
EDB-ID 33020dos, linuxpublished 2 Jun 2009Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 3 months later
· 3 months later
Published
- 15 years later
· 15 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 19.6% · top 2.6% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
References
References20
- 35169 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- DSA-1811 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 35340 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:9631 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=500972 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 35342 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- apple-cups-ipptag-dos(50926) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- APPLE-SA-2009-09-10-2 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- USN-780-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://www.coresecurity.com/content/AppleCUPS-null-pointer-vulnerability (opens in a new tab)x_refsource_MISCx_transferred
- 35328 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- RHSA-2009:1082 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 35685 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SR:2009:012 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://support.apple.com/kb/HT3865 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 36701 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 20090602 CORE-2009-0420 - Apple CUPS IPP_TAG_UNSUPPORTED Handling null pointer Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- RHSA-2009:1083 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1022321 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 35322 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2009-0946 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2009-0949)Record last updated .