CVE-2025-55398

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An issue was discovered in mouse07410 asn1c thru 0.9.29 (2025-03-20) - a fork of vlm asn1c. In UPER (Unaligned Packed Encoding Rules), asn1c-generated decoders fail to enforce INTEGER constraints when the bound is positive and exceeds 32 bits in length, potentially allowing incorrect or malicious input to be processed.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-1284

Affected software

No affected versions have been published.

Timeline

Published: Aug 22, 2025
Last modified: Jun 17, 2026
NVD status: Deferred

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