CVE-2015-5917: The glob implementation in tnftpd (formerly lukemftpd), as used in Apple OS X before 10.11, allows remote atta

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MEDIUM 5.0MITIGATE

CVE-2015-5917 is a medium-severity flaw (CVSS 5.0) affecting tnftpd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The glob implementation in tnftpd (formerly lukemftpd), as used in Apple OS X before 10.11, allows remote attackers to cause a denial of service (memory consumption and daemon outage) via a STAT command containing a crafted pattern, as demonstrated by multiple instances of the {..,..,..}/* substring.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-119
Published	2015-10-09
Last modified	2026-06-17

Publisher (CNA): Apple Inc. · Vendor: netbsd

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

Am I affected?

Timeline

2015-10-09 05:59 UTCPublished CVE record published
2026-06-17 00:30 UTCUpdated Record last modified

netbsd tnftpd MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy tnftpd || rpm -q tnftpd || tnftpd --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2015-5917?

tnftpd: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-5917 being exploited?

CVE-2015-5917 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-2015-5917 affect?

CVE-2015-5917 affects tnftpd. Severity is medium (CVSS 5.0). The glob implementation in tnftpd (formerly lukemftpd), as used in Apple OS X before 10.11, allows remote attackers to cause a denial of service (memory consumption and daemon outage) via a STAT command containing a crafted pattern, as demo

How urgent is CVE-2015-5917?

Priority 44/100. Public exploit reference

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References

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