CVE-2025-40928CWE-122

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

High · published September 8, 2025

CVSS v3.1
7.5
EPSS
1%
Percentile
51.5
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00673 · 51.5th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2025-09-08T15:08Z
EPSS history
Timeline
  • 08 SEP 15:08Z
    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
    cvelistv5