CVE-2015-0283: The slapi-nis plug-in before 0.54.2 does not properly reallocate memory when processing user accounts, which a

Q: How do I fix CVE-2015-0283?

slapi-nis: upgrade to newer than 0.54.1. Exact commands for each OS are on this page.

Q: Is CVE-2015-0283 being exploited?

CVE-2015-0283 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2015-0283 affect?

CVE-2015-0283 affects slapi-nis. Severity is high (CVSS 7.8). The slapi-nis plug-in before 0.54.2 does not properly reallocate memory when processing user accounts, which allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a request for a (1) group with a large

Q: How urgent is CVE-2015-0283?

Priority 54/100. High severity; On your watchlist

This month

HIGH 7.8WATCHLISTUPGRADE

CVE-2015-0283 is a high-severity flaw (CVSS 7.8) affecting slapi-nis. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The slapi-nis plug-in before 0.54.2 does not properly reallocate memory when processing user accounts, which allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a request for a (1) group with a large number of members or (2) user that belongs to a large number of groups.

Why this priority

High severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
EPSS exploit chance	3.1% (top 12%)
CISA exploited list	No
Weakness	CWE-399
Published	2015-03-30
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: redhat

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-03-30 14:59 UTCPublished CVE record published
2026-06-17 00:19 UTCUpdated Record last modified

redhat slapi-nis UPGRADE

Affected: <= 0.54.1

Fixed in: newer than 0.54.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy slapi-nis || rpm -q slapi-nis || slapi-nis --version

2. UPGRADE to newer than 0.54.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade slapi-nis

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade slapi-nis

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2015-0283?

slapi-nis: upgrade to newer than 0.54.1. Exact commands for each OS are on this page.

Is CVE-2015-0283 being exploited?

CVE-2015-0283 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-2015-0283 affect?

CVE-2015-0283 affects slapi-nis. Severity is high (CVSS 7.8). The slapi-nis plug-in before 0.54.2 does not properly reallocate memory when processing user accounts, which allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a request for a (1) group with a large

How urgent is CVE-2015-0283?

Priority 54/100. High severity; On your watchlist

Related CVEs

CVE-2021-3480 HIGH 7.5 UPGRADE MITIGATE A flaw was found in slapi-nis in versions before 0.56.7

References

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