CVE-2025-40928

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

Affected Platforms

Weakness Type

CWE-122

References

• https://metacpan.org/release/MLEHMANN/JSON-XS-4.03/source/XS.xs#L256
• https://security.metacpan.org/patches/J/JSON-XS/4.03/CVE-2025-40928-r1.patch
• http://www.openwall.com/lists/oss-security/2025/09/08/2
• https://lists.debian.org/debian-lts-announce/2025/09/msg00033.html