CVE-2025-55398

critical · 9.8

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.

9.8

CVSS

0.4%

EPSS (exploit prob.)

31st

EPSS percentile

2025-08-22

Published

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

Weaknesses

CWE-1284

References

https://github.com/mouse07410/asn1c/issues/222

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-55398