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Fencer Vulns
medium 5.0

CVE-2005-2917 json

Squid 2.5.STABLE10 and earlier, while performing NTLM authentication, does not properly handle certain request sequences, which allows atta…

published 2005-09-30 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-2917

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.4%
EPSS 3.4% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

Squid 2.5.STABLE10 and earlier, while performing NTLM authentication, does not properly handle certain request sequences, which allows attackers to cause a denial of service (daemon restart).

Patch / fix

  • squid Debian 14, Debian 13, Debian 12 2.5.10-7

debian advisories DEBIAN-CVE-2005-2917

  • squid RHEL 4 7:2.5.STABLE6-3.4E.12
  • squid RHEL 3 7:2.5.STABLE3-6.3E.16

red hat advisories RHSA-2006:0052RHSA-2006:0045

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-2005-2917 updated

security flaw

  • Red Hat Desktop version 3 squid 2.5.STABLE3-6.3E.16 Red Hat Enterprise Linux AS version 3 squid 2.5.STABLE3-6.3E.16
    fixed: vendor fix RHSA-2006:0045
  • Red Hat Enterprise Linux AS version 4 squid 2.5.STABLE6-3.4E.12 Red Hat Enterprise Linux Desktop version 4 squid 2.5.STABLE6-3.4E.12
    fixed: vendor fix RHSA-2006:0052
  • Red Hat Enterprise Linux ES version 3 squid 2.5.STABLE3-6.3E.16
    fixed: vendor fix RHSA-2006:0045
  • Red Hat Enterprise Linux ES version 4 squid 2.5.STABLE6-3.4E.12
    fixed: vendor fix RHSA-2006:0052
  • Red Hat Enterprise Linux WS version 3 squid 2.5.STABLE3-6.3E.16
    fixed: vendor fix RHSA-2006:0045
  • Red Hat Enterprise Linux WS version 4 squid 2.5.STABLE6-3.4E.12
    fixed: vendor fix RHSA-2006:0052

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

3.40% chance of exploitation in the next 30 days, higher than 88% 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:N/A:P

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.