CVE-2007-0248
The aclMatchExternal function in Squid before 2.6.STABLE7 allows remote attackers to cause a...
CVE-2007-0248 is a medium vulnerability (CVSS 5.0) in Squid, published January 16, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.08%, the 94th percentile. Fixed in squid 2.6.5-4.
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2007-0248- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-0248- Updated
- 2026-11-02
EUVDEUVD-2007-0250 No score
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.
- Record
EUVD-2007-0250- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w46f-hrch-xgr2 No score
The aclMatchExternal function in Squid before 2.6.STABLE7 allows remote attackers to cause 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.
- Record
GHSA-w46f-hrch-xgr2- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2007-0248- Updated
- 2026-11-02
OSVDEBIAN-CVE-2007-0248 No score
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.
- Record
DEBIAN-CVE-2007-0248- Updated
- 2026-11-02
Affected products
Affected packages
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
squid-cache.org/Versions/v2/2.6/squid-2.6.STABLE7-RELEASENOTES.html
securityfocus.com/bid/22203
secunia.com/advisories/23921
vupen.com/english/advisories/2007/0199
gentoo.org/security/en/glsa/glsa-200701-22.xml
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novell.com/linux/security/advisories/2007_12_squid.html
mandriva.com/security/advisories?name=MDKSA-2007:026
exchange.xforce.ibmcloud.com/vulnerabilities/31525
ubuntu.com/usn/usn-414-1
nvd.nist.gov/vuln/detail/CVE-2007-0248
github.com/advisories/GHSA-w46f-hrch-xgr2
security-tracker.debian.org/tracker/CVE-2007-0248