Read the docs
TI-2002-00376 Aliases CVE-2002-0391GHSA-2qf2-q2gj-r6v2

Integer overflow in xdr_array function in RPC servers for operating systems that use…

Priority HIGH 83CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.

Summary

Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or other code based on SunRPC including dietlibc, allows remote attackers to execute arbitrary code by passing a large number of arguments to xdr_array through RPC services such as rpc.cmsd and dmispd.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.58133 99th percentileScored 2026-11-07
Public exploit Yes 4 exploit referencesTagged by NVD
Fix Fixed Red Hat: 5 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

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

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*up to 4.6.1VulnerableFreeBSD
cpe:2.3:o:openbsd:openbsd:3.1:*:*:*:*:*:*:*3.1VulnerableOpenBSD
cpe:2.3:o:sun:solaris:2.6:*:*:*:*:*:*:*2.6VulnerableSun
cpe:2.3:o:sun:solaris:9.0:*:*:*:*:sparc:*:*9.0VulnerableSun
cpe:2.3:o:sun:sunos:5.5.1:*:*:*:*:*:*:*5.5.1VulnerableSun
cpe:2.3:o:sun:sunos:5.7:*:*:*:*:*:*:*5.7VulnerableSun
cpe:2.3:o:sun:sunos:5.8:*:*:*:*:*:*:*5.8VulnerableSun
cpe:2.3:o:microsoft:windows_2000:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*4.0VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_xp:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* Versions up to 4.6.1 Vulnerable ·FreeBSD
  • cpe:2.3:o:openbsd:openbsd:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·OpenBSD
  • cpe:2.3:o:sun:solaris:2.6:*:*:*:*:*:*:* Versions 2.6 Vulnerable ·Sun
  • cpe:2.3:o:sun:solaris:9.0:*:*:*:*:sparc:*:* Versions 9.0 Vulnerable ·Sun
  • cpe:2.3:o:sun:sunos:5.5.1:*:*:*:*:*:*:* Versions 5.5.1 Vulnerable ·Sun
  • cpe:2.3:o:sun:sunos:5.7:*:*:*:*:*:*:* Versions 5.7 Vulnerable ·Sun
  • cpe:2.3:o:sun:sunos:5.8:*:*:*:*:*:*:* Versions 5.8 Vulnerable ·Sun
  • cpe:2.3:o:microsoft:windows_2000:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_xp:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

Red Hat 5 advisories

  • RHSA-2003:212 Released 2003-06-26 · Red Hat rating Critical
    : : : Updated glibc packages fix vulnerabilities
    • Red Hat Linux 7.1
  • RHSA-2003:168 Released 2003-04-29 · Red Hat rating Critical
    : : : Updated kerberos packages fix various vulnerabilities
    • Red Hat Linux 7.1
  • RHSA-2002:173 Released 2002-09-05 · Red Hat rating Important
    krb5 security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1
Show 2 more Red Hat advisories
  • RHSA-2002:172 Released 2002-08-15 · Red Hat rating Important
    : : : Updated krb5 packages fix remote buffer overflow
    • Red Hat Linux 6.2
    • Red Hat Linux 7.0
    • Red Hat Linux 7.1
    • Red Hat Linux 7.2
    • Red Hat Linux 7.3
  • RHSA-2002:167 Released 2002-08-06 · Red Hat rating Important
    glibc security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2002:167
Red Hat Linux 6.2Fixed RHSA-2002:166
Red Hat Linux 7.0Fixed RHSA-2002:166
Red Hat Linux 7.1Fixed RHSA-2002:166
Red Hat Linux 7.2Fixed RHSA-2002:166
Red Hat Linux 7.3Fixed RHSA-2002:166

Timeline

  1. 2026-10-02 Threatist record created from CVE-2002-0391
  2. 2026-10-03 Alias added: GHSA-2qf2-q2gj-r6v2

References

Exploit 4

Patch 1

Advisory 20

Other 6

Sources

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