CVE-2025-40929

Description

Cpanel::JSON::XS before version 4.40 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact

Affected Platforms

Weakness Type

CWE-122

References

• https://github.com/rurban/Cpanel-JSON-XS/commit/378236219eaa35742c3962ecbdee3649…
• https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.39/source/XS.xs#L713
• https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.40/changes
• http://www.openwall.com/lists/oss-security/2025/09/08/1
• https://lists.debian.org/debian-lts-announce/2025/09/msg00034.html