What is CVE-2025-0343?

CVE-2025-0343 is a high-severity vulnerability in Swift Project Asn1, classified under CWE-228. CVSS score: 7.5/10. Published 2025-01-15.

How severe is CVE-2025-0343?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Swift Project Asn1

CVE-2025-0343

Swift ASN.1 can be caused to crash when parsing certain BER/DER constructions. This crash is caused by a confusion in the ASN.1 library itself which assumes that certain objects can only be provided in either constructed or primitive forms…

EPSS: 0.003 (23.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Swift Project Asn1 — versions 1.0.0

Weakness classification (CWE)

CWE-228

References

cve@forums.swift.org

Frequently asked questions

What is CVE-2025-0343?: CVE-2025-0343 is a high-severity vulnerability in Swift Project Asn1, classified under CWE-228. CVSS score: 7.5/10. Published 2025-01-15.
How severe is CVE-2025-0343?: High severity. CVSS v3 base score is 7.5 out of 10.