CVE-2026-93599: rustls-webpki before 0.103.13 Panic via empty BIT STRING

Overview

Severity
High (CVSS 7.5)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Sep
Released
2026-09-25
EPSS Score
0.49% (percentile: 39.3%)

Affected Products (4)

Other

  • 21916-17084
  • 21840-17084
  • 21401-17084
  • 21918-17084

Revision History

  • 2026-09-25: Information published.