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Vulnerability record · CVE-2005-0211 · published 2 May 2005

CVE-2005-0211: Squid-cache squid memory buffer overflow vulnerability

Squid Cache · Squid

Buffer overflow in wccp.c in Squid 2.5 before 2.5.STABLE7 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long WCCP packet, which is processed by a recvfrom function call that uses an incorrect length parameter.

7.5 CVSS 2.0 High EPSS 22% · top 2.4% CWE-119 · Memory buffer overflow
7.5CVSS 2.0 base score
22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
30References
16 Jun 2026Last modified by NVD

Description

Buffer overflow in wccp.c in Squid 2.5 before 2.5.STABLE7 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long WCCP packet, which is processed by a recvfrom function call that uses an incorrect length parameter.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://fedoranews.org/updates/FEDORA--.shtml Broken Link
http://marc.info/?l=bugtraq&m=110780531820947&w=2 Third Party Advisory
http://secunia.com/advisories/14076 Permissions Required
http://securitytracker.com/id?1013045 Third Party AdvisoryVDB Entry
http://www.debian.org/security/2005/dsa-667 PatchThird Party Advisory
http://www.kb.cert.org/vuls/id/886006 PatchThird Party AdvisoryUS Government Resource
http://www.mandriva.com/security/advisories?name=MDKSA-2005:034 Broken Link
http://www.novell.com/linux/security/advisories/2005_06_squid.html Broken Link
http://www.osvdb.org/13319 Broken Link
http://www.redhat.com/support/errata/RHSA-2005-060.html Not ApplicableThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2005-061.html Not ApplicableThird Party Advisory
http://www.securityfocus.com/bid/12432 Third Party AdvisoryVDB Entry
http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE7-wccp_buffer_overflow PatchVendor Advisory
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE7-wccp_buffer_overflow.patch PatchVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9573 Third Party Advisory
http://fedoranews.org/updates/FEDORA--.shtml Broken Link
http://marc.info/?l=bugtraq&m=110780531820947&w=2 Third Party Advisory
http://secunia.com/advisories/14076 Permissions Required
http://securitytracker.com/id?1013045 Third Party AdvisoryVDB Entry
http://www.debian.org/security/2005/dsa-667 PatchThird Party Advisory
http://www.kb.cert.org/vuls/id/886006 PatchThird Party AdvisoryUS Government Resource
http://www.mandriva.com/security/advisories?name=MDKSA-2005:034 Broken Link
http://www.novell.com/linux/security/advisories/2005_06_squid.html Broken Link
http://www.osvdb.org/13319 Broken Link
http://www.redhat.com/support/errata/RHSA-2005-060.html Not ApplicableThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2005-061.html Not ApplicableThird Party Advisory
http://www.securityfocus.com/bid/12432 Third Party AdvisoryVDB Entry
http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE7-wccp_buffer_overflow PatchVendor Advisory
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE7-wccp_buffer_overflow.patch PatchVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9573 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2005-0211), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.