P5Verified

CVE-2026-63577: bc-csharp 0 to before 2.7.0

CVE-2026-63577. EPSS 0.00236 (percentile 0.13208), scored 2026-10-05.

Affected technology

bc-csharp · 0 to before 2.7.0
Legion of the Bouncy Castle Inc.

Component: Not specified by the source
File: crypto/src/pkix/PkixNameConstraintValidator.cs

Attack conditions (Source advisory, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 4.0 assessment (base score 8.2/10) rates confidentiality and availability impact as none; integrity impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 2026-10-07 02:35:20.517021+00:00

CWE: CWE-295
CCR priority: 0.1 /100 (P5)
EPSS: 0.00236 · percentile 0.13208 · 2026-10-05
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-07 02:34:12.333111+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-63577.html