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CVE-2026-54578

mport verify can compare stale checksum data after hashing failures PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
MidnightBSD / mportaffected < 2.7.8

CWE

CWE-354, CWE-755

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.