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Fencer Vulns
medium 6.4

CVE-2009-0164 json

The web interface for CUPS before 1.3.10 does not validate the HTTP Host header in a client request, which makes it easier for remote attac…

published 2009-04-24 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0173

cvss
6.4
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

The web interface for CUPS before 1.3.10 does not validate the HTTP Host header in a client request, which makes it easier for remote attackers to conduct DNS rebinding attacks.

Patch / fix

  • cups Debian 14, Debian 13, Debian 12 1.3.10-1

debian advisories DEBIAN-CVE-2009-0164

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-2009-0164 updated cvss 2.6

cups: insufficient checking of the HTTP Host: header

  • Red Hat Enterprise Linux 4 cups Red Hat Enterprise Linux 5 cups
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 6 cups, cups-lpd, cups-php, cups-libs
    not affected: vulnerable code not present

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

Exploit prediction

2.91% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:N/I:P/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

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.