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    CVE-2007-0248

    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.

    Published:Jan 16, 2007
    Last Modified:Apr 23, 2026
    EPS:Jan 16, 2007
    EPSS Score:0.52625
    CVSS Score:5

    Affected Products

    Vendor
    Squid
    Product
    Squid

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2009-0478 (CVSS 5) — 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…
    CVE-2008-1612 (CVSS 4.3) — The arrayShrink function (lib/Array.c) in Squid 2.6.STABLE17 allows attackers to cause a denial of service (pr…
    CVE-2007-1560 (CVSS 5) — The clientProcessRequest() function in src/client_side.c in Squid 2.6 before 2.6.STABLE12 allows remote attack…
    CVE-2007-0247 (CVSS 5) — squid/src/ftp.c in Squid before 2.6.STABLE7 allows remote FTP servers to cause a denial of service (core dump)…
    CVE-2005-3322 (CVSS 5) — Unspecified vulnerability in Squid on SUSE Linux 9.0 allows remote attackers to cause a denial of service (cra…
    CVE-2005-3258 (CVSS 5) — The rfc1738_do_escape function in ftp.c for Squid 2.5 STABLE11 and earlier allows remote FTP servers to cause …
    CVE-2005-2917 (CVSS 5) — Squid 2.5.STABLE10 and earlier, while performing NTLM authentication, does not properly handle certain request…
    CVE-2005-2796 (CVSS 5) — The sslConnectTimeout function in ssl.c for Squid 2.5.STABLE10 and earlier allows remote attackers to cause a …
    CVE-2005-2794 (CVSS 5) — store.c in Squid 2.5.STABLE10 and earlier allows remote attackers to cause a denial of service (crash) via cer…
    CVE-2005-1711 (CVSS 7.5) — Gibraltar Firewall 2.2 and earlier, when using the ClamAV update to 0.81 for Squid, uses a defunct ClamAV meth…

    References

    http://secunia.com/advisories/23767
    http://secunia.com/advisories/23805
    http://secunia.com/advisories/23889
    http://secunia.com/advisories/23921
    http://secunia.com/advisories/23946
    http://www.gentoo.org/security/en/glsa/glsa-200701-22.xml
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:026
    http://www.novell.com/linux/security/advisories/2007_12_squid.html
    http://www.securityfocus.com/bid/22203
    http://www.squid-cache.org/Versions/v2/2.6/squid-2.6.STABLE7-RELEASENOTES.html#s12
    http://www.squid-cache.org/bugs/show_bug.cgi?id=1848
    http://www.ubuntu.com/usn/usn-414-1
    http://www.vupen.com/english/advisories/2007/0199
    https://exchange.xforce.ibmcloud.com/vulnerabilities/31525
    http://secunia.com/advisories/23767
    http://secunia.com/advisories/23805
    http://secunia.com/advisories/23889
    http://secunia.com/advisories/23921
    http://secunia.com/advisories/23946
    http://www.gentoo.org/security/en/glsa/glsa-200701-22.xml
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:026
    http://www.novell.com/linux/security/advisories/2007_12_squid.html
    http://www.securityfocus.com/bid/22203
    http://www.squid-cache.org/Versions/v2/2.6/squid-2.6.STABLE7-RELEASENOTES.html#s12
    http://www.squid-cache.org/bugs/show_bug.cgi?id=1848
    http://www.ubuntu.com/usn/usn-414-1
    http://www.vupen.com/english/advisories/2007/0199
    https://exchange.xforce.ibmcloud.com/vulnerabilities/31525

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High