Riskcovery

CVE-2026-45191

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

State
Published
Severity
6.5 Medium
Published
May 10, 2026
Updated
May 11, 2026
Reserved
May 10, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.16.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:LCISA-ADP

Weaknesses

  • CWE-1289 Improper Validation of Unsafe Equivalence in Input

Affected Products

ProductVersions
Net::CIDR::LiteSTIGTSP
  • before 0.24Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.