CVEvulnerability

CVE-2026-45191

6.5 MEDIUM Published 2026-05-10 Modified 2026-07-24 Official page ↗
Status
Deferred
Published
2026-05-10
Last modified
2026-07-24
Assigner
9b29abf9-4ab0-4765-b253-1875cd9b441e
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weaknesses
CWE-1289

Description

Net::CIDR::Lite versions before 0.24 for Perl does not properly consider extraneous zero characters in CIDR mask values, which may allow IP ACL bypass. Mask forms like "/00" and "/01" pass validation and parse to the same prefix as their unpadded value. See also CVE-2026-45190.

Related

Weakness · CWE (1)

  • CWE-1289 Improper Validation of Unsafe Equivalence in Input weakness

References