Memory leak in xinetd 2.3.10 allows remote attackers to cause a denial of service (memory…
Priority LOW 34Published · 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
Memory leak in xinetd 2.3.10 allows remote attackers to cause a denial of service (memory consumption) via a large number of rejected connections.
Why it matters now
EPSS 0.08939 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 3 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:xinetd:xinetd:2.3.0:*:*:*:*:*:*:* | 2.3.0 | Vulnerable | Xinetd |
| cpe:2.3:a:xinetd:xinetd:2.3.1:*:*:*:*:*:*:* | 2.3.1 | Vulnerable | Xinetd |
| cpe:2.3:a:xinetd:xinetd:2.3.2:*:*:*:*:*:*:* | 2.3.2 | Vulnerable | Xinetd |
| cpe:2.3:a:xinetd:xinetd:2.3.3:*:*:*:*:*:*:* | 2.3.3 | Vulnerable | Xinetd |
| cpe:2.3:a:xinetd:xinetd:2.3.4:*:*:*:*:*:*:* | 2.3.4 | Vulnerable | Xinetd |
| cpe:2.3:a:xinetd:xinetd:2.3.5:*:*:*:*:*:*:* | 2.3.5 | Vulnerable | Xinetd |
| cpe:2.3:a:xinetd:xinetd:2.3.6:*:*:*:*:*:*:* | 2.3.6 | Vulnerable | Xinetd |
| cpe:2.3:a:xinetd:xinetd:2.3.7:*:*:*:*:*:*:* | 2.3.7 | Vulnerable | Xinetd |
| cpe:2.3:a:xinetd:xinetd:2.3.8:*:*:*:*:*:*:* | 2.3.8 | Vulnerable | Xinetd |
| cpe:2.3:a:xinetd:xinetd:2.3.9:*:*:*:*:*:*:* | 2.3.9 | Vulnerable | Xinetd |
- cpe:2.3:a:xinetd:xinetd:2.3.0:*:*:*:*:*:*:* Versions 2.3.0 Vulnerable ·Xinetd
- cpe:2.3:a:xinetd:xinetd:2.3.1:*:*:*:*:*:*:* Versions 2.3.1 Vulnerable ·Xinetd
- cpe:2.3:a:xinetd:xinetd:2.3.2:*:*:*:*:*:*:* Versions 2.3.2 Vulnerable ·Xinetd
- cpe:2.3:a:xinetd:xinetd:2.3.3:*:*:*:*:*:*:* Versions 2.3.3 Vulnerable ·Xinetd
- cpe:2.3:a:xinetd:xinetd:2.3.4:*:*:*:*:*:*:* Versions 2.3.4 Vulnerable ·Xinetd
- cpe:2.3:a:xinetd:xinetd:2.3.5:*:*:*:*:*:*:* Versions 2.3.5 Vulnerable ·Xinetd
- cpe:2.3:a:xinetd:xinetd:2.3.6:*:*:*:*:*:*:* Versions 2.3.6 Vulnerable ·Xinetd
- cpe:2.3:a:xinetd:xinetd:2.3.7:*:*:*:*:*:*:* Versions 2.3.7 Vulnerable ·Xinetd
- cpe:2.3:a:xinetd:xinetd:2.3.8:*:*:*:*:*:*:* Versions 2.3.8 Vulnerable ·Xinetd
- cpe:2.3:a:xinetd:xinetd:2.3.9:*:*:*:*:*:*:* Versions 2.3.9 Vulnerable ·Xinetd
Remediation
Red Hat 3 advisories
- RHSA-2003:228 Released 2003-07-14 · Red Hat rating Important: : : Updated xinetd packages fix denial-of-service attacks and other bugs
- Red Hat Linux 7.1
- RHSA-2003:161 Released 2003-05-22 · Red Hat rating Importantxinetd security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- Red Hat Enterprise Linux ES version 2.1
- Red Hat Enterprise Linux WS version 2.1
- Red Hat Linux Advanced Workstation 2.1
- RHSA-2003:160 Released 2003-05-13 · Red Hat rating Important: Updated xinetd packages fix a denial-of-service attack and other bugs
- 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: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2003:161 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2003:161 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2003:161 |
| Red Hat Linux 7.1 | Fixed | RHSA-2003:160 |
| Red Hat Linux 7.2 | Fixed | RHSA-2003:160 |
| Red Hat Linux 7.3 | Fixed | RHSA-2003:160 |
| Red Hat Linux 8.0 | Fixed | RHSA-2003:160 |
| Red Hat Linux 9 | Fixed | RHSA-2003:160 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2003:161 |
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0211
- 2026-10-03 Alias added: GHSA-j4xh-x4qx-86fr
References
More Xinetd vulnerabilities
- TI-2001-00788 Buffer overflow in internal string handling routines of xinetd before 2.1.8.8 allows… CVSS 2.0HIGH 10.0
- TI-2013-03803 xinetd does not enforce the user and group configuration directives for TCPMUX services… CVSS 2.0HIGH 7.6
- TI-2001-01341 Multiple vulnerabilities in xinetd 2.3.0 and earlier, and additional variants until… CVSS 2.0HIGH 7.5
- TI-2000-00535 xinetd 2.1.8.x does not properly restrict connections if hostnames are used for access… CVSS 2.0HIGH 7.5
- TI-2012-00797 builtins.c in Xinetd before 2.3.15 does not check the service type when the tcpmux-server… CVSS 2.0MEDIUM 4.3
- TI-2001-01275 xinetd 2.1.8 and earlier runs with a default umask of 0, which could allow local users to… CVSS 2.0LOW 3.6
Sources
- CVE-2003-0211 · CVE Program
- CVE-2003-0211 · NVD
- FIRST EPSS
- GHSA-j4xh-x4qx-86fr · GitHub Advisory Database · CC BY 4.0
- CVE-2003-0211 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences