CVE-2003-1000

HIGHNVD 7.57.5—Trending — 3 sources updated this week

7.5

xchat 2.0.6 allows remote attackers to cause a denial of service (crash) via a passive DCC request with an invalid ID number, which causes a null dereference.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 78.5%
KEV: Not listed

Published

January 5, 2004

Last Modified

April 16, 2026

Advisory Details (1)

Auto-updated May 31, 2026

No patch confirmed yet.

generic

'GLSA: Malformed dcc send requests in xchat-2.0.6 lead to a denial of service' - MARC

http://marc.info/?l=bugtraq&m=107152093419276&w=2

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-476NULL Pointer Dereference

Data Freshness Timeline

(refreshed 13× in last 7d / 20× 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.

2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 16:40 UTCEG score recompute
2026-05-31 16:40 UTCGHSA enrichment
2026-05-31 00:13 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
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
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 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

Frequently asked(5)

What is CVE-2003-1000?

CVE-2003-1000 is a high vulnerability published on January 5, 2004. xchat 2.0.6 allows remote attackers to cause a denial of service (crash) via a passive DCC request with an invalid ID number, which causes a null dereference.

When was CVE-2003-1000 disclosed?

CVE-2003-1000 was first published in the National Vulnerability Database on January 5, 2004, 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-2003-1000 actively exploited?

CVE-2003-1000 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 78.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2003-1000?

CVE-2003-1000 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2003-1000?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-1000, 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-2003-1000

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

'GLSA: Malformed dcc send requests in xchat-2.0.6 lead to a denial of service' - MARC

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2003-1000?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

Advisory Details (1)

Frequently asked(5)

Related CVEs(same CWE)