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TI-2003-00232 Aliases CVE-2003-0251GHSA-7xw4-2hf3-hvxx

ypserv NIS server before 2.7 allows remote attackers to cause a denial of service via a…

Priority LOW 28Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

ypserv NIS server before 2.7 allows remote attackers to cause a denial of service via a TCP client request that does not respond to the server, which causes ypserv to block.

Why it matters now

EPSS 0.02691 85th percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nis:ypserv_nis_server:*:*:*:*:*:*:*:*up to 2.7VulnerableNis
  • cpe:2.3:a:nis:ypserv_nis_server:*:*:*:*:*:*:*:* Versions up to 2.7 Vulnerable ·Nis

Remediation

Red Hat 3 advisories

  • RHSA-2003:229 Released 2003-07-14 · Red Hat rating Important
    : : : Updated ypserv packages fix various vulnerabilities
    • Red Hat Linux 7.1
  • RHSA-2003:201 Released 2003-06-25 · Red Hat rating Moderate
    ypserv security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1
    • Red Hat Enterprise Linux ES version 2.1
    • Red Hat Linux Advanced Workstation 2.1
  • RHSA-2003:173 Released 2003-06-25 · Red Hat rating Moderate
    : Updated ypserv packages fix a denial of service vulnerability
    • Red Hat Linux 7.1
    • Red Hat Linux 7.2
    • Red Hat Linux 7.3
    • Red Hat Linux 8.0
    • Red Hat Linux 9

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2003:201
Red Hat Enterprise Linux ES version 2.1Fixed RHSA-2003:201
Red Hat Linux 7.1Fixed RHSA-2003:173
Red Hat Linux 7.2Fixed RHSA-2003:173
Red Hat Linux 7.3Fixed RHSA-2003:173
Red Hat Linux 8.0Fixed RHSA-2003:173
Red Hat Linux 9Fixed RHSA-2003:173
Red Hat Linux Advanced Workstation 2.1Fixed RHSA-2003:201

Timeline

  1. 2026-10-02 Threatist record created from CVE-2003-0251
  2. 2026-10-03 Alias added: GHSA-7xw4-2hf3-hvxx

References

Patch 1

Advisory 4

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences