CVE Watch17 sept 2026

CVE-2026-54583

mport is the MidnightBSD Package Manager. Prior to 2.7.8, libmport/fetch.c did not consistently reject empty, dot, dot-dot, or slash-contain

CVSS

—

Sin CVSS

EPSS

0.5%

p43

KEV

—

Exploit Today

0-100

Publicado: 17 sept 2026 · Última mod.: 17 sept 2026 · CWE-22 · CWE-73

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

mport is the MidnightBSD Package Manager. Prior to 2.7.8, libmport/fetch.c did not consistently reject empty, dot, dot-dot, or slash-containing bundle filenames before composing package download and write paths. Malicious package index data could place an unsafe value in indexEntry->bundlefile, and the missing is_valid_bundle_filename() checks allowed downloaded package data to be written outside the intended cache location or to an unsafe destination name. This issue is fixed in version 2.7.8.

Referencias oficiales

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