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Fencer Vulns
medium 6.4

CVE-2005-1519 json

Squid 2.5 STABLE9 and earlier, when the DNS client port is unfiltered and the environment does not prevent IP spoofing, allows remote attac…

published 2005-05-11 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-1522

cvss
6.4
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

Squid 2.5 STABLE9 and earlier, when the DNS client port is unfiltered and the environment does not prevent IP spoofing, allows remote attackers to spoof DNS lookups.

Patch / fix

  • squid Debian 14, Debian 13, Debian 12 2.5.9-9

debian advisories DEBIAN-CVE-2005-1519

  • squid RHEL 3 7:2.5.STABLE3-6.3E.13
  • squid RHEL 4 7:2.5.STABLE6-3.4E.9

red hat advisories RHSA-2005:415

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-2005-1519 updated

security flaw

  • Red Hat Desktop version 3 squid 2.5.STABLE3-6.3E.13 Red Hat Enterprise Linux AS version 3 squid 2.5.STABLE3-6.3E.13 Red Hat Enterprise Linux AS version 4 squid 2.5.STABLE6-3.4E.9 Red Hat Enterprise Linux Desktop version 4 squid 2.5.STABLE6-3.4E.9
    fixed: vendor fix RHSA-2005:415
  • Red Hat Enterprise Linux ES version 2.1
    fixed: vendor fix RHSA-2005:489
  • Red Hat Enterprise Linux ES version 3 squid 2.5.STABLE3-6.3E.13 Red Hat Enterprise Linux ES version 4 squid 2.5.STABLE6-3.4E.9 Red Hat Enterprise Linux WS version 3 squid 2.5.STABLE3-6.3E.13 Red Hat Enterprise Linux WS version 4 squid 2.5.STABLE6-3.4E.9
    fixed: vendor fix RHSA-2005:415
  • Red Hat Linux Advanced Workstation 2.1
    fixed: vendor fix RHSA-2005:489

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

2.36% chance of exploitation in the next 30 days, higher than 83% 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

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.