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Fencer Vulns
high 7.5

CVE-2009-0949 in the critical feed json

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 allo…

published 2009-06-09 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0946

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
19.6%
EPSS 19.6% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

  • apple cups 1.3.10
  • apple mac_os_x 10.4.11, 10.5.8
  • apple mac_os_x_server 10.4.11, 10.5.8
  • cups Debian 14, Debian 13, Debian 12 1.3.10-1

debian advisories DEBIAN-CVE-2009-0949

  • cups RHEL 3 1:1.1.17-13.3.62
  • cups RHEL 4 1:1.1.22-0.rc1.9.32.el4_8.3
  • cups-libs RHEL 3 1:1.1.17-13.3.62
  • cups-libs RHEL 4 1:1.1.22-0.rc1.9.32.el4_8.3
  • cups RHEL 5 1:1.3.7-8.el5_3.6
  • cups-lpd RHEL 5 1:1.3.7-8.el5_3.6
  • cups-libs RHEL 5 1:1.3.7-8.el5_3.6

red hat advisories RHSA-2009:1083RHSA-2009:1082

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-0949 updated cvss 5.0

cups: IPP_TAG_UNSUPPORTED handling NULL pointer dereference DoS

  • Red Hat Desktop version 3 cups 1.1.17-13.3.62, cups-libs 1.1.17-13.3.62
    fixed: vendor fix RHSA-2009:1083
  • Red Hat Enterprise Linux (v. 5 server) cups 1.3.7-8.el5_3.6, cups-lpd 1.3.7-8.el5_3.6, cups-libs 1.3.7-8.el5_3.6
    fixed: vendor fix RHSA-2009:1082
  • Red Hat Enterprise Linux AS version 3 cups 1.1.17-13.3.62, cups-libs 1.1.17-13.3.62 Red Hat Enterprise Linux AS version 4 cups 1.1.22-0.rc1.9.32.el4_8.3, cups-libs 1.1.22-0.rc1.9.32.el4_8.3
    fixed: vendor fix RHSA-2009:1083
  • Red Hat Enterprise Linux Desktop (v. 5 client) cups 1.3.7-8.el5_3.6, cups-lpd 1.3.7-8.el5_3.6, cups-libs 1.3.7-8.el5_3.6
    fixed: vendor fix RHSA-2009:1082
  • Red Hat Enterprise Linux Desktop version 4 cups 1.1.22-0.rc1.9.32.el4_8.3, cups-libs 1.1.22-0.rc1.9.32.el4_8.3
    fixed: vendor fix RHSA-2009:1083
  • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) cups 1.3.7-8.el5_3.6, cups-lpd 1.3.7-8.el5_3.6, cups-libs 1.3.7-8.el5_3.6
    fixed: vendor fix RHSA-2009:1082
  • Red Hat Enterprise Linux ES version 3 cups 1.1.17-13.3.62, cups-libs 1.1.17-13.3.62 Red Hat Enterprise Linux ES version 4 cups 1.1.22-0.rc1.9.32.el4_8.3, cups-libs 1.1.22-0.rc1.9.32.el4_8.3 Red Hat Enterprise Linux WS version 3 cups 1.1.17-13.3.62, cups-libs 1.1.17-13.3.62 Red Hat Enterprise Linux WS version 4 cups 1.1.22-0.rc1.9.32.el4_8.3, cups-libs 1.1.22-0.rc1.9.32.el4_8.3
    fixed: vendor fix RHSA-2009:1083

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-33020)
  2. Published

Exploit prediction

19.63% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-33020 CUPS 1.3.9 - 'cups/ipp.c' Null Pointer Dereference Denial of Service dos, 2009-06-02
  • securityfocus.com http://www.securityfocus.com/bid/35169 referenced PoC, tagged "exploit" by a source, unverified
  • coresecurity.com http://www.coresecurity.com/content/AppleCUPS-null-pointer-vulnerability referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-908 Use of Uninitialized Resource

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.