CVE-2016-6253: n/a vulnerability

CVE-2016-6253: mail.local in NetBSD versions 6.0 through 6.0.6, 6.1 through 6.1.5, and 7.0 allows local users to change ow...

mail.local in NetBSD versions 6.0 through 6.0.6, 6.1 through 6.1.5, and 7.0 allows local users to change ownership of or append data to arbitrary files on the target system via a symlink attack on the user mailbox.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 01:22 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2016-6253 is a NetBSD local privilege risk in mail.local. A local user could abuse mailbox symlink handling to change ownership of, or append data to, arbitrary files. This matters most on shared NetBSD systems or servers where untrusted users can get shell access. Exposure is likely limited to affected NetBSD hosts running local mail delivery where non-admin local users exist. Internet-only exposure is not supported by the sources; the described attacker is local. Treat as high priority for affected shared NetBSD systems because it can turn local user access into broader file tampering or privilege impact. It is less urgent for systems without local user access, but should still be remediated through vendor guidance. Mitigation focus: Review NetBSD-SA2016-006 for vendor-approved fixes.; Upgrade affected NetBSD systems to a non-affected supported release.; Restrict local shell access on vulnerable multi-user hosts..

Prepared: Jun 13, 2026, 12:51 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jan 20, 2017, 15:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
40141CVE reference · exploit, x_refsource_EXPLOIT-DB
40385CVE reference · exploit, x_refsource_EXPLOIT-DB

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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