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CVE-2005-1519

Squid 2.5 STABLE9 and earlier, when the DNS client port is unfiltered and the environment does...

6.4 MediumFix available

CVE-2005-1519 is a medium vulnerability (CVSS 6.4) in Squid, published May 11, 2005. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.36%, the 83rd percentile. Fixed in squid 2.5.9-9.

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.

Exploit likelihood

2.36%Up 0.4 points since Feb 4, 2022

What each source reports

NVD Score used 6.4

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.

Record: CVE-2005-1519
CVSS 2.0: 6.4 MediumAV:N/AC:L/Au:N/C:N/I:P/A:P
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2005-1519
Updated: 2026-11-02

EUVDEUVD-2005-1522 No score

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.

Record: EUVD-2005-1522
Updated: 2026-11-03

GitHub AdvisoriesGHSA-7j89-g7xj-9c6w No score

Squid 2.5 STABLE9 and earlier, when the DNS client port is unfiltered and the environment does...

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.

Record: GHSA-7j89-g7xj-9c6w
Updated: 2026-11-02

OSV No score

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.

Record: CVE-2005-1519
Updated: 2026-11-02

OSVDEBIAN-CVE-2005-1519 No score

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.

Record: DEBIAN-CVE-2005-1519
Updated: 2026-11-02

Affected products

squid

Affected packages

Affected packages
Package	Affected	Fixed
`squid` Debian:12	before 2.5.9-9	2.5.9-9
`squid` Debian:13	before 2.5.9-9	2.5.9-9
`squid` Debian:14	before 2.5.9-9	2.5.9-9
`squid` Debian:3.0	before 2.4.6-2woody9, plus listed versions 2.4.6-2woody42.4.6-2woody72.4.6-2woody8	2.4.6-2woody9
`squid` Red Hat:enterprise_linux:3::as	before 7:2.5.STABLE3-6.3E.13	7:2.5.STABLE3-6.3E.13
`squid-debuginfo` Red Hat:enterprise_linux:3::as	before 7:2.5.STABLE3-6.3E.13	7:2.5.STABLE3-6.3E.13
`squid` Red Hat:enterprise_linux:3::desktop	before 7:2.5.STABLE3-6.3E.13	7:2.5.STABLE3-6.3E.13
`squid-debuginfo` Red Hat:enterprise_linux:3::desktop	before 7:2.5.STABLE3-6.3E.13	7:2.5.STABLE3-6.3E.13
`squid` Red Hat:enterprise_linux:3::es	before 7:2.5.STABLE3-6.3E.13	7:2.5.STABLE3-6.3E.13
`squid-debuginfo` Red Hat:enterprise_linux:3::es	before 7:2.5.STABLE3-6.3E.13	7:2.5.STABLE3-6.3E.13

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Affected packages
Package	Affected	Fixed
`squid` Red Hat:enterprise_linux:3::ws	before 7:2.5.STABLE3-6.3E.13	7:2.5.STABLE3-6.3E.13
`squid-debuginfo` Red Hat:enterprise_linux:3::ws	before 7:2.5.STABLE3-6.3E.13	7:2.5.STABLE3-6.3E.13
`squid` Red Hat:enterprise_linux:4::as	before 7:2.5.STABLE6-3.4E.9	7:2.5.STABLE6-3.4E.9
`squid-debuginfo` Red Hat:enterprise_linux:4::as	before 7:2.5.STABLE6-3.4E.9	7:2.5.STABLE6-3.4E.9
`squid` Red Hat:enterprise_linux:4::desktop	before 7:2.5.STABLE6-3.4E.9	7:2.5.STABLE6-3.4E.9
`squid-debuginfo` Red Hat:enterprise_linux:4::desktop	before 7:2.5.STABLE6-3.4E.9	7:2.5.STABLE6-3.4E.9
`squid` Red Hat:enterprise_linux:4::es	before 7:2.5.STABLE6-3.4E.9	7:2.5.STABLE6-3.4E.9
`squid-debuginfo` Red Hat:enterprise_linux:4::es	before 7:2.5.STABLE6-3.4E.9	7:2.5.STABLE6-3.4E.9
`squid` Red Hat:enterprise_linux:4::ws	before 7:2.5.STABLE6-3.4E.9	7:2.5.STABLE6-3.4E.9
`squid-debuginfo` Red Hat:enterprise_linux:4::ws	before 7:2.5.STABLE6-3.4E.9	7:2.5.STABLE6-3.4E.9

History

History
When	Changed	Sources
2026-11-03	aliases	EUVD
2026-11-02	created	CVE List, GitHub Advisories, NVD, OSV

References

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