CVE-2002-0391
CriticalInteger 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…
Published Aug 12, 2002 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2002-0391, DSA-142, DSA-143, DSA-146, DSA-149, DSA-333
Key Facts
Patch immediately- CVE-2002-0391 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Freebsd, Windows 2000 (Microsoft), Windows Nt (Microsoft) and 11 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 58% probability of exploitation in the next 30 days.
- Fixed versions are available, including acm 5.0-10, acm 5.0-3.woody.1, dietlibc 0.12-2.4.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
58%
Higher than 99.0% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2002-0391 brief as a PDF
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Description
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.
Affected Products
66 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| FreebsdFreebsd | See advisory | 4.6.1 |
| Windows 2000Microsoft | See advisory | n/a |
| Windows NtMicrosoft | 4.0 | n/a |
| Windows XpMicrosoft | See advisory | n/a |
| OpenbsdOpenbsd | 3.1 | n/a |
Patched Releases
acm
5.0-10, 5.0-3.woody.1
dietlibc
0.12-2.4, 0.20-0cvs20020808
Freebsd
4.6.1
glibc
2.2.5-11.1, 2.2.5-13
krb5
1.2.4-5woody1, 1.2.5-2
openafs
1.2.3final2-6, 1.2.6-1
rootio-glibc
2.2.5-13
rootio-krb5
1.2.5-2
Timeline
Publicly disclosed
Aug 12, 2002
Last updated
Aug 4, 2026
Weakness Type
- CWE-190 Integer Overflow or Wraparound
References
- advisory20020731 Remote Buffer Overflow Vulnerability in Sun RPC
- advisoryHPSBTL0208-061
- advisory20020802 kerberos rpc xdr_array
- advisoryRHSA-2002:166
- advisoryRHSA-2002:167
FAQ
Common Questions.
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.
Affected: Freebsd; Windows 2000 (Microsoft); Windows Nt (Microsoft) versions 4.0, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including acm 5.0-10, acm 5.0-3.woody.1, dietlibc 0.12-2.4.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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