Vulnerability Monitor

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CVE-2005-0446

Squid 2.5.STABLE8 and earlier allows remote attackers to cause a denial of service (crash) via certain DNS responses regarding (1) Fully Qualified Domain Names (FQDN) in fqdncache.c or (2) IP addresses in ipcache.c, which trigger an assertion failure.

Security Impact Summary

CVE-2005-0446 is a security vulnerability that . Impacting 1 product from squid organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2005, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2005-05-02T04:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	squid	squid	2.0.patch1	Yes
Application	squid	squid	2.0.patch2	Yes
Application	squid	squid	2.0.pre1	Yes
Application	squid	squid	2.0.release	Yes
Application	squid	squid	2.0_patch2	Yes
Application	squid	squid	2.1.patch1	Yes
Application	squid	squid	2.1.patch2	Yes
Application	squid	squid	2.1.pre1	Yes
Application	squid	squid	2.1.pre3	Yes
Application	squid	squid	2.1.pre4	Yes
Application	squid	squid	2.1.release	Yes
Application	squid	squid	2.1_patch2	Yes
Application	squid	squid	2.2.devel3	Yes
Application	squid	squid	2.2.devel4	Yes
Application	squid	squid	2.2.pre1	Yes
Application	squid	squid	2.2.pre2	Yes
Application	squid	squid	2.2.stable1	Yes
Application	squid	squid	2.2.stable2	Yes
Application	squid	squid	2.2.stable3	Yes
Application	squid	squid	2.2.stable4	Yes
Application	squid	squid	2.2.stable5	Yes
Application	squid	squid	2.3.devel2	Yes
Application	squid	squid	2.3.devel3	Yes
Application	squid	squid	2.3.stable1	Yes
Application	squid	squid	2.3.stable2	Yes
Application	squid	squid	2.3.stable3	Yes
Application	squid	squid	2.3.stable4	Yes
Application	squid	squid	2.3.stable5	Yes
Application	squid	squid	2.3_.stable4	Yes
Application	squid	squid	2.3_.stable5	Yes
Application	squid	squid	2.3_stable5	Yes
Application	squid	squid	2.4	Yes
Application	squid	squid	2.4.stable1	Yes
Application	squid	squid	2.4.stable2	Yes
Application	squid	squid	2.4.stable3	Yes
Application	squid	squid	2.4.stable4	Yes
Application	squid	squid	2.4.stable6	Yes
Application	squid	squid	2.4.stable7	Yes
Application	squid	squid	2.4_.stable2	Yes
Application	squid	squid	2.4_.stable6	Yes
Application	squid	squid	2.4_.stable7	Yes
Application	squid	squid	2.4_stable7	Yes
Application	squid	squid	2.5.6	Yes
Application	squid	squid	2.5.stable1	Yes
Application	squid	squid	2.5.stable2	Yes
Application	squid	squid	2.5.stable3	Yes
Application	squid	squid	2.5.stable4	Yes
Application	squid	squid	2.5.stable5	Yes
Application	squid	squid	2.5.stable6	Yes
Application	squid	squid	2.5.stable7	Yes
Application	squid	squid	2.5.stable8	Yes
Application	squid	squid	2.5_.stable1	Yes
Application	squid	squid	2.5_.stable3	Yes
Application	squid	squid	2.5_.stable4	Yes
Application	squid	squid	2.5_.stable5	Yes
Application	squid	squid	2.5_.stable6	Yes
Application	squid	squid	2.5_stable3	Yes
Application	squid	squid	2.5_stable4	Yes
Application	squid	squid	2.5_stable9	Yes

References

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000931 Patch, Vendor Advisory ([email protected])
http://fedoranews.org/updates/FEDORA--.shtml ([email protected])
http://marc.info/?l=bugtraq&m=110901183320453&w=2 ([email protected])
http://secunia.com/advisories/14271 Patch, Vendor Advisory ([email protected])
http://www.debian.org/security/2005/dsa-688 Patch, Vendor Advisory ([email protected])
http://www.gentoo.org/security/en/glsa/glsa-200502-25.xml Patch, Vendor Advisory ([email protected])
http://www.mandriva.com/security/advisories?name=MDKSA-2005:047 ([email protected])
http://www.redhat.com/support/errata/RHSA-2005-173.html Patch, Vendor Advisory ([email protected])
http://www.redhat.com/support/errata/RHSA-2005-201.html ([email protected])
http://www.securityfocus.com/bid/12551 ([email protected])
http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE8-dns_assert Patch ([email protected])
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE8-dns_assert.patch Patch ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/19332 ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11264 ([email protected])
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000931 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://fedoranews.org/updates/FEDORA--.shtml (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=bugtraq&m=110901183320453&w=2 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/14271 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2005/dsa-688 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.gentoo.org/security/en/glsa/glsa-200502-25.xml Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDKSA-2005:047 (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2005-173.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2005-201.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/12551 (af854a3a-2127-422b-91ae-364da2661108)
http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE8-dns_assert Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE8-dns_assert.patch Patch (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/19332 (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11264 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For squid's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.