CVE-2005-0095

Name: CVE-2005-0095
Creator: NVD / NIST
Published: 2005-01-15T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 68.78%

Last modified Jun 16, 2026

CVE-2005-0095 is a vulnerability of currently unknown severity. The WCCP message parsing code in Squid 2.5.STABLE7 and earlier allows remote attackers to cause a denial of service (crash) via malformed WCCP messages with source addresses that are spoofed to reference Squid's home router and invalid WCCP_I_SEE_YOU cache numbers.. EPSS estimates a 68.78% chance of exploitation in the next 30 days.

Description

The WCCP message parsing code in Squid 2.5.STABLE7 and earlier allows remote attackers to cause a denial of service (crash) via malformed WCCP messages with source addresses that are spoofed to reference Squid's home router and invalid WCCP_I_SEE_YOU cache numbers.

Metrics

EPSS Probability

68.78%

99.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Squid	Squid	2.0_patch2
Squid	Squid	2.1_patch2
Squid	Squid	2.3_.stable4
Squid	Squid	2.3_.stable5
Squid	Squid	2.3_stable5
Squid	Squid	2.4
Squid	Squid	2.4_.stable2
Squid	Squid	2.4_.stable6
Squid	Squid	2.4_.stable7
Squid	Squid	2.4_stable7
Squid	Squid	2.5.6
Squid	Squid	2.5.stable1
Squid	Squid	2.5.stable2
Squid	Squid	2.5.stable3
Squid	Squid	2.5.stable4
Squid	Squid	2.5.stable5
Squid	Squid	2.5.stable6
Squid	Squid	2.5.stable7
Squid	Squid	2.5_.stable1
Squid	Squid	2.5_.stable3
Squid	Squid	2.5_.stable4
Squid	Squid	2.5_.stable5
Squid	Squid	2.5_.stable6
Squid	Squid	2.5_stable3
Squid	Squid	2.5_stable4
Squid	Squid	2.5_stable9
Squid	Squid	2.6.stable1

References

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000923Patch, Vendor Advisory
http://fedoranews.org/updates/FEDORA--.shtml
http://secunia.com/advisories/13825Patch, Vendor Advisory
http://security.gentoo.org/glsa/glsa-200501-25.xmlPatch, Vendor Advisory
http://securitytracker.com/id?1012882
http://www.debian.org/security/2005/dsa-651Patch, Vendor Advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2005:014
http://www.novell.com/linux/security/advisories/2005_06_squid.htmlPatch, Vendor Advisory
http://www.osvdb.org/12886
http://www.redhat.com/support/errata/RHSA-2005-060.htmlPatch, Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-061.htmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/12275
http://www.squid-cache.org/Advisories/SQUID-2005_2.txtPatch, Vendor Advisory
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE7-wccp_denial_of_service.patchExploit, Vendor Advisory
http://www.trustix.org/errata/2005/0003/Patch, Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10269
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000923Patch, Vendor Advisory
http://fedoranews.org/updates/FEDORA--.shtml
http://secunia.com/advisories/13825Patch, Vendor Advisory
http://security.gentoo.org/glsa/glsa-200501-25.xmlPatch, Vendor Advisory
http://securitytracker.com/id?1012882
http://www.debian.org/security/2005/dsa-651Patch, Vendor Advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2005:014
http://www.novell.com/linux/security/advisories/2005_06_squid.htmlPatch, Vendor Advisory
http://www.osvdb.org/12886
http://www.redhat.com/support/errata/RHSA-2005-060.htmlPatch, Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-061.htmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/12275
http://www.squid-cache.org/Advisories/SQUID-2005_2.txtPatch, Vendor Advisory
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE7-wccp_denial_of_service.patchExploit, Vendor Advisory
http://www.trustix.org/errata/2005/0003/Patch, Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10269

Timeline

Published: Jan 15, 2005
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2005-0095?

How severe is CVE-2005-0095?

Severity scoring for CVE-2005-0095 is pending analysis. The EPSS model estimates a 68.78% probability of exploitation in the next 30 days.

How do I fix CVE-2005-0095?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2005-0095?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST