CVE-2007-0248

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-01-16 · updated 2026-06-16

Description

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.

Affected products

Squid: 2.6.stable6

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

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