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Total 37 CVE
CVE Vendors Products Updated CVSS v3.1
CVE-2007-0248 1 Squid 1 Squid 2026-04-23 N/A
The aclMatchExternal function in Squid before 2.6.STABLE7 allows remote attackers to cause a denial of service (crash) by causing an external_acl queue overload, which triggers an infinite loop.
CVE-2007-0247 1 Squid 1 Squid 2026-04-23 N/A
squid/src/ftp.c in Squid before 2.6.STABLE7 allows remote FTP servers to cause a denial of service (core dump) via crafted FTP directory listing responses, possibly related to the (1) ftpListingFinish and (2) ftpHtmlifyListEntry functions.
CVE-2009-0478 1 Squid 1 Squid 2026-04-23 N/A
Squid 2.7 to 2.7.STABLE5, 3.0 to 3.0.STABLE12, and 3.1 to 3.1.0.4 allows remote attackers to cause a denial of service via an HTTP request with an invalid version number, which triggers a reachable assertion in (1) HttpMsg.c and (2) HttpStatusLine.c.
CVE-2008-1612 2 Redhat, Squid 2 Enterprise Linux, Squid 2026-04-23 N/A
The arrayShrink function (lib/Array.c) in Squid 2.6.STABLE17 allows attackers to cause a denial of service (process exit) via unknown vectors that cause an array to shrink to 0 entries, which triggers an assert error. NOTE: this issue is due to an incorrect fix for CVE-2007-6239.
CVE-2007-1560 2 Redhat, Squid 2 Enterprise Linux, Squid 2026-04-23 N/A
The clientProcessRequest() function in src/client_side.c in Squid 2.6 before 2.6.STABLE12 allows remote attackers to cause a denial of service (daemon crash) via crafted TRACE requests that trigger an assertion error.
CVE-2005-2794 2 Redhat, Squid 2 Enterprise Linux, Squid 2026-04-16 N/A
store.c in Squid 2.5.STABLE10 and earlier allows remote attackers to cause a denial of service (crash) via certain aborted requests that trigger an assert error related to STORE_PENDING.
CVE-2005-2796 2 Redhat, Squid 2 Enterprise Linux, Squid 2026-04-16 N/A
The sslConnectTimeout function in ssl.c for Squid 2.5.STABLE10 and earlier allows remote attackers to cause a denial of service (segmentation fault) via certain crafted requests.
CVE-2005-1345 2 Redhat, Squid 2 Enterprise Linux, Squid 2026-04-16 N/A
Squid 2.5.STABLE9 and earlier does not trigger a fatal error when it identifies missing or invalid ACLs in the http_access configuration, which could lead to less restrictive ACLs than intended by the administrator.
CVE-2005-0097 2 Redhat, Squid 2 Enterprise Linux, Squid 2026-04-16 N/A
The NTLM component in Squid 2.5.STABLE7 and earlier allows remote attackers to cause a denial of service (crash) via a malformed NTLM type 3 message that triggers a NULL dereference.
CVE-2004-0189 2 Redhat, Squid 3 Enterprise Linux, Linux, Squid 2026-04-16 N/A
The "%xx" URL decoding function in Squid 2.5STABLE4 and earlier allows remote attackers to bypass url_regex ACLs via a URL with a NULL ("%00") character, which causes Squid to use only a portion of the requested URL when comparing it against the access control lists.
CVE-2002-0714 2 Redhat, Squid 3 Enterprise Linux, Linux, Squid 2026-04-16 N/A
FTP proxy in Squid before 2.4.STABLE6 does not compare the IP addresses of control and data connections with the FTP server, which allows remote attackers to bypass firewall rules or spoof FTP server responses.
CVE-2004-0918 6 Gentoo, Openpkg, Redhat and 3 more 7 Linux, Openpkg, Enterprise Linux and 4 more 2026-04-16 N/A
The asn_parse_header function (asn1.c) in the SNMP module for Squid Web Proxy Cache before 2.4.STABLE7 allows remote attackers to cause a denial of service (server restart) via certain SNMP packets with negative length fields that trigger a memory allocation error.
CVE-2005-0094 2 Redhat, Squid 2 Enterprise Linux, Squid 2026-04-16 N/A
Buffer overflow in the gopherToHTML function in the Gopher reply parser for Squid 2.5.STABLE7 and earlier allows remote malicious Gopher servers to cause a denial of service (crash) via crafted responses.
CVE-2005-0096 2 Redhat, Squid 2 Enterprise Linux, Squid 2026-04-16 N/A
Memory leak in the NTLM fakeauth_auth helper for Squid 2.5.STABLE7 and earlier allows remote attackers to cause a denial of service (memory consumption).
CVE-2005-0173 2 Redhat, Squid 2 Enterprise Linux, Squid 2026-04-16 N/A
squid_ldap_auth in Squid 2.5 and earlier allows remote authenticated users to bypass username-based Access Control Lists (ACLs) via a username with a space at the beginning or end, which is ignored by the LDAP server.
CVE-2005-0174 2 Redhat, Squid 2 Enterprise Linux, Squid 2026-04-16 N/A
Squid 2.5 up to 2.5.STABLE7 allows remote attackers to poison the cache or conduct certain attacks via headers that do not follow the HTTP specification, including (1) multiple Content-Length headers, (2) carriage return (CR) characters that are not part of a CRLF pair, and (3) header names containing whitespace characters.
CVE-2005-0194 1 Squid 1 Squid 2026-04-16 N/A
Squid 2.5, when processing the configuration file, parses empty Access Control Lists (ACLs), including proxy_auth ACLs without defined auth schemes, in a way that effectively removes arguments, which could allow remote attackers to bypass intended ACLs if the administrator ignores the parser warnings.
CVE-2005-0446 2 Redhat, Squid 2 Enterprise Linux, Squid 2026-04-16 N/A
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.
CVE-2005-0718 2 Redhat, Squid 2 Enterprise Linux, Squid 2026-04-16 N/A
Squid 2.5.STABLE7 and earlier allows remote attackers to cause a denial of service (segmentation fault) by aborting the connection during a (1) PUT or (2) POST request, which causes Squid to access previously freed memory.
CVE-2005-1519 2 Redhat, Squid 2 Enterprise Linux, Squid 2026-04-16 N/A
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.