High severity7.5NVD Advisory· Published Sep 8, 2025· Updated Apr 15, 2026

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

JSON::XS/JSON::XSllm-create
Range: <4.04
osv-coords2 versions
pkg:rpm/almalinux/perl-JSON-XS pkg:rpm/opensuse/perl-JSON-XS&distro=openSUSE%20Tumbleweed
< 1:4.04-1.el10_0+ 1 more
- (no CPE)range: < 1:4.04-1.el10_0
- (no CPE)range: < 4.40.0-1.1

Patches

Vulnerability mechanics

References

www.openwall.com/lists/oss-security/2025/09/08/2nvd
lists.debian.org/debian-lts-announce/2025/09/msg00033.htmlnvd
metacpan.org/release/MLEHMANN/JSON-XS-4.03/source/XS.xsnvd
security.metacpan.org/patches/J/JSON-XS/4.03/CVE-2025-40928-r1.patchnvd

News mentions

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