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CVE-2002-1232: Memory leak in ypdb_open in yp_db.c for ypserv before 2.5 in the NIS package 3.9 and earlier allows remote att

45
This month
MEDIUM 5.0WATCHLISTMITIGATEMITIGATEMITIGATE

CVE-2002-1232 is a medium-severity flaw (CVSS 5.0) affecting debian linux, secure os, linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Memory leak in ypdb_open in yp_db.c for ypserv before 2.5 in the NIS package 3.9 and earlier allows remote attackers to cause a denial of service (memory consumption) via a large number of requests for a map that does not exist.

Why this priority

  • On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score5.0 (Medium)
EPSS exploit chance3.3% (top 12%)
CISA exploited listNo
Published2002-11-04
Last modified2026-06-16
Publisher (CNA): MITRE · Vendor: debian · hp · redhat

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Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

debian debian linux MITIGATE
Affected: 2.2 · 3.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.2
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
hp secure os MITIGATE
Affected: 1.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
redhat linux MITIGATE
Affected: 6.2 · 7.0 · 7.1 · 7.2 · 7.3
Fixed in: no fixed release known
Safe to downgrade to: a release before 6.2
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2002-1232?

debian linux: mitigate or apply the listed mitigation; secure os: mitigate or apply the listed mitigation; linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-1232 being exploited?

CVE-2002-1232 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2002-1232 affect?

CVE-2002-1232 affects debian linux, secure os, linux. Severity is medium (CVSS 5.0). Memory leak in ypdb_open in yp_db.c for ypserv before 2.5 in the NIS package 3.9 and earlier allows remote attackers to cause a denial of service (memory consumption) via a large number of requests for a map that does not exist.

How urgent is CVE-2002-1232?

Priority 45/100. On your watchlist

Software pages

Debian vulnerabilities

Related CVEs

References

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