CVE-2007-0248
CVE-2007-0248 is a medium-severity vulnerability in Squid with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 7% (93rd percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Squid
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2007-0248?
- CVE-2007-0248 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2007-0248 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2007-0248?
- CVE-2007-0248 affects Squid. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2007-0248?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2007-0248 published?
- CVE-2007-0248 was published on 2007-01-16 and last updated on 2026-06-16.
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
Affected products (1)
- cpe:2.3:a:squid:squid:2.6.stable6:*:*:*:*:*:*:*
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