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Fencer Vulns
medium 5.0

CVE-2005-0174 json

Squid 2.5 up to 2.5.STABLE7 allows remote attackers to poison the cache or conduct certain attacks via headers that do not follow the HTTP…

published 2005-02-06 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-0175

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
50.5%
EPSS 50.5% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

Squid 2.5 up to 2.5.STABLE7 allows remote attackers to poison the cache or conduct certain attacks via headers that do not follow the HTTP specification, including (1) multiple Content-Length headers, (2) carriage return (CR) characters that are not part of a CRLF pair, and (3) header names containing whitespace characters.

Patch / fix

  • squid Debian 14, Debian 13, Debian 12 2.5.7-6

debian advisories DEBIAN-CVE-2005-0174

  • squid RHEL 3 7:2.5.STABLE3-6.3E.7
  • squid RHEL 4 7:2.5.STABLE6-3.4E.3

red hat advisories RHSA-2005:061RHSA-2005:060

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-2005-0174 updated

security flaw

  • Red Hat Desktop version 3 squid 2.5.STABLE3-6.3E.7 Red Hat Enterprise Linux AS version 3 squid 2.5.STABLE3-6.3E.7
    fixed: vendor fix RHSA-2005:061
  • Red Hat Enterprise Linux AS version 4 squid 2.5.STABLE6-3.4E.3 Red Hat Enterprise Linux Desktop version 4 squid 2.5.STABLE6-3.4E.3
    fixed: vendor fix RHSA-2005:060
  • Red Hat Enterprise Linux ES version 3 squid 2.5.STABLE3-6.3E.7
    fixed: vendor fix RHSA-2005:061
  • Red Hat Enterprise Linux ES version 4 squid 2.5.STABLE6-3.4E.3
    fixed: vendor fix RHSA-2005:060
  • Red Hat Enterprise Linux WS version 3 squid 2.5.STABLE3-6.3E.7
    fixed: vendor fix RHSA-2005:061
  • Red Hat Enterprise Linux WS version 4 squid 2.5.STABLE6-3.4E.3
    fixed: vendor fix RHSA-2005:060

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

50.49% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

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.