CVE-2025-55398

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published8/22/2025

Last Modified8/26/2025

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-1284

References

https://github.com/mouse07410/asn1c/issues/222(cve@mitre.org)

IOC Correlations

No correlations recorded

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