CVE-2002-0163

NONECVSS 0.0Weaponized

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 88.5%
KEV: Not listed

Published

March 26, 2002

Last Modified

April 16, 2026

References (16)

cve@mitreftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-017.1.txt
cve@mitreftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:19.squid.asc
cve@mitrehttp://marc.info/?l=bugtraq&m=101716495023226&w=2
cve@mitrehttp://rhn.redhat.com/errata/RHSA-2002-051.html
cve@mitrehttp://www.iss.net/security_center/static/8628.php
cve@mitrehttp://www.linux-mandrake.com/en/security/2002/MDKSA-2002-027.php
cve@mitrehttp://www.securityfocus.com/bid/4363
cve@mitrehttp://www.squid-cache.org/Advisories/SQUID-2002_2.txt
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-017.1.txt
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:19.squid.asc
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=101716495023226&w=2
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2002-051.html
af854a3a-2127-422b-91ae-364da2661108http://www.iss.net/security_center/static/8628.php
af854a3a-2127-422b-91ae-364da2661108http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-027.php
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/4363

Data Freshness Timeline

(refreshed 11× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-347✓ verified
First seen May 14, 2002
Squid 2.4.1 - Remote Buffer Overflow
Open source ↗

Frequently asked(4)

What is CVE-2002-0163?

CVE-2002-0163 is a none vulnerability published on March 26, 2002. 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.

When was CVE-2002-0163 disclosed?

CVE-2002-0163 was first published in the National Vulnerability Database on March 26, 2002, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2002-0163 actively exploited?

CVE-2002-0163 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 88.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2002-0163?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2002-0163, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2002-0163

📅 Published

🔄 Last Modified

🔗 References (16)