CVE-2025-40928

High

Description

JSON::XS before version 4.04 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact

SeverityHigh
CVSS7.5
Exploit probability—
ProductJSON::XS
PublishedSep 8, 2025
First seenSep 8, 2025
Weakness typeCWE-122CWE-122

How to fix

Affected products

ProductAffected versionsFixed in
MLEHMANN JSON::XSv < 4.044.04

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