> CVE-2026-86287

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PUBLISHED
2026-09-07 19:17
MODIFIED
2026-09-07 19:17
EPSS (Prob. Exploit)
0.61%
Top 51.4%
DATA SOURCES:
NVD 🔗 2026-09-07 CWE MITRE 🔗 2026-10-01 FIRST EPSS 🔗 2026-10-25 OSV 🔗 2026-09-12

> DESCRIPTION

Net::IP::LPM versions before 1.12 for Perl accept malformed prefix lengths. Non-numeric and non-ASCII prefix lengths are accepted and treated as 0. Integers over 31 bits are silently truncated. A single malformed mask will poison the lookup table. The result is that the lookup will silently succeed for every address. An allow-list will allow every address, and a deny-list will block every address.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> WEAKNESSES

CWE-1287

> CWE DETAILED DESCRIPTIONS

CWE-1287: Improper Validation of Specified Type of Input - The product receives input that is expected to be of a certain type, but it does not validate or incorrectly validates that the input is actually of the expected type.

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Net::IP::LPM versions before 1.12 for Perl accept malformed prefix lengths

AFFECTED PACKAGES:
Unknown / Unknown
2 versions affected

> HISTORIQUE DES MODIFICATIONS

Première apparition
07/09/2026 19:17
Source: NVD
📊 ENRICHISSEMENT 01/10/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-1287: Improper Validation of Specified Type of Input - The product receives input that is expected to be of a certain type, but it does not validate or incorrectly validates that the input is actu...
Total des modifications: 1 Dernière mise à jour: 3 weeks ago

> REFERENCES

https://github.com/robrwo/perl-Net-IP-LPM/commit/814f8baa85537827db8c3b3d251e48d...
https://metacpan.org/release/RRWO/Net-IP-LPM-1.12/changes
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