CVE-2026-54578

LowCVSS 2.0/10Last modified Sep 18, 2026

Description

mport is the MidnightBSD Package Manager. Prior to 2.7.8, mport_verify_package() in libmport/verify.c could continue after MD5File() or SHA256_File() failed and compare an expected checksum with stale data in the hash buffer rather than a newly computed digest. An attacker able to influence an installed file or the conditions that make hashing fail could receive a misleading integrity result or hide a checksum failure. This issue is fixed in version 2.7.8.

Metrics

CVSS 4.0 2.0/10CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-354CWE-755

Affected software

No affected versions have been published.

Timeline

Published
Sep 17, 2026
Last modified
Sep 18, 2026
NVD status
Deferred

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CVE-2026-54578: Low severity, CVSS 2.0 | Vulnix