CVE-2002-0163: n/a vulnerability

CVE-2002-0163: Heap-based buffer overflow in Squid before 2.4 STABLE4, and Squid 2.5 and 2.6 until March 12, 2002 distribu...

Heap-based buffer overflow in Squid before 2.4 STABLE4, and Squid 2.5 and 2.6 until March 12, 2002 distributions, allows remote attackers to cause a denial of service, and possibly execute arbitrary code, via compressed DNS responses.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 02:42 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2002-0163 is an old Squid proxy flaw involving specially formed compressed DNS responses. A vulnerable Squid server could crash, and the CVE notes possible arbitrary code execution. The main business concern is legacy proxy infrastructure that has not been updated since early 2002. Exposure is most likely in very old Squid deployments, embedded appliances, or unsupported Linux/Unix systems using Squid packages from before the fixed releases. Modern maintained distributions are unlikely to remain affected, but legacy inventory should be verified. Treat as a legacy exposure cleanup item with high impact if found. Prioritize internet-facing or business-critical proxy servers, but do not assume current exploitation from the provided evidence. Mitigation focus: Identify any Squid installations and package versions in production or embedded systems.; Upgrade Squid to a fixed vendor-supported release or package.; For Squid 2.4, ensure at least 2.4 STABLE4 per the CVE description..

Prepared: Jul 12, 2026, 04:13 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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CVE-2002-0163 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Apr 2, 2003, 05:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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