CVE catalog
CVE-2025-40928
JSON-XS vulnerability
- Severity
- High · CVSS 8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.67% · Oct 27, 2026
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
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libjson-xs-perl | sid | 4.040-1 | fixed |
| Debian | libjson-xs-perl | forky | 4.040-1 | fixed |
| Debian | libjson-xs-perl | trixie | 4.040-1~deb13u1 | fixed |
| Debian | libjson-xs-perl | trixie-security | 4.040-1~deb13u1 | fixed |
| Debian | libjson-xs-perl | bookworm | 4.040-1~deb12u1 | fixed |
| Debian | libjson-xs-perl | bookworm-security | 4.040-1~deb12u1 | fixed |
| Ubuntu | libjson-xs-perl | noble | 4.040-0ubuntu0.24.04.1 | fixed |
| Ubuntu | libjson-xs-perl | noble | 4.040-1~deb12u1 | fixed |
| Ubuntu | libjson-xs-perl | 22.04 | 4.030-1build2 | vulnerable |
| Ubuntu | libjson-xs-perl | 22.04 | 4.030-1build3 | vulnerable |
| Ubuntu | libjson-xs-perl | 22.04 | 4.040-0ubuntu0.22.04.1 | fixed |
| Ubuntu | libjson-xs-perl | 24.04 | 4.030-2 | vulnerable |
| Ubuntu | libjson-xs-perl | 24.04 | 4.030-2build1 | vulnerable |
| Ubuntu | libjson-xs-perl | 24.04 | 4.030-2build2 | vulnerable |
| Ubuntu | libjson-xs-perl | 24.04 | 4.030-2build3 | vulnerable |
| Ubuntu | libjson-xs-perl | 24.04 | 4.040-0ubuntu0.24.04.1 | fixed |
| Opensuse | perl-JSON-XS | tumbleweed | 4.40.0-1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libjson-xs-perl | source | sid | 4.030-3 | not yet assigned | Not reported | Not reported |
| Debian | libjson-xs-perl | source | forky | 4.030-3 | not yet assigned | Not reported | Not reported |
| Debian | libjson-xs-perl | source | trixie | 4.040-1~deb13u1 | not yet assigned | Not reported | Not reported |
| Debian | libjson-xs-perl | source | bookworm | 4.040-1~deb12u1 | not yet assigned | Not reported | Not reported |
| Ubuntu | libjson-xs-perl | deb | noble | 4.040-0ubuntu0.24.04.1 | Not reported | Not reported | Not reported |
| Ubuntu | libjson-xs-perl | deb | noble | 4.040-1~deb12u1 | Not reported | Not reported | Not reported |
| Ubuntu | libjson-xs-perl | deb | 22.04 | 4.040-0ubuntu0.22.04.1 | Not reported | USN-7750-1 | Not reported |
| Ubuntu | libjson-xs-perl | deb | 24.04 | 4.040-0ubuntu0.24.04.1 | Not reported | USN-7750-1 | Not reported |
| Opensuse | perl-JSON-XS | rpm | tumbleweed | 4.40.0-1.1 | Not reported | OPENSUSE-SU-2025:15535-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libjson-xs-perl]Fixed
Details (4)
4.040-1~deb12u1· amd64 · bookwormFixed · Fixed:
4.040-1~deb12u1usn · libjson-xs-perl · debian · bookworm; usn · libjson-xs-perl · debian · 12
4.040-1~deb12u1· arm64 · bookwormFixed · Fixed:
4.040-1~deb12u1usn · libjson-xs-perl · debian · bookworm; usn · libjson-xs-perl · debian · 12
4.040-1~deb12u1· amd64 · bookworm-securityFixed · Fixed:
4.040-1~deb12u1usn · libjson-xs-perl · debian · bookworm; usn · libjson-xs-perl · debian · 12
4.040-1~deb12u1· arm64 · bookworm-securityFixed · Fixed:
4.040-1~deb12u1usn · libjson-xs-perl · debian · bookworm; usn · libjson-xs-perl · debian · 12
[Debian 13 (Trixie)]
- [libjson-xs-perl]Fixed
Details (4)
4.040-1~deb13u1· amd64 · trixieFixed · Fixed:
4.040-1~deb13u1usn · libjson-xs-perl · debian · 13
4.040-1~deb13u1· arm64 · trixieFixed · Fixed:
4.040-1~deb13u1usn · libjson-xs-perl · debian · 13
4.040-1~deb13u1· amd64 · trixie-securityFixed · Fixed:
4.040-1~deb13u1usn · libjson-xs-perl · debian · 13
4.040-1~deb13u1· arm64 · trixie-securityFixed · Fixed:
4.040-1~deb13u1usn · libjson-xs-perl · debian · 13
[openSUSE Tumbleweed]
- [perl-JSON-XS]Fixed
Source package: [perl-JSON-XS]
Details (1)
4.40.0-1.6· x86_64 · tumbleweedFixed · Fixed:
4.40.0-1.1usn · perl-JSON-XS · opensuse · tumbleweed
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2025_17163.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2025-40928]
- [https://osv.dev/vulnerability/DLA-4317-1]
- [https://osv.dev/vulnerability/DSA-5999-1]
- [https://osv.dev/vulnerability/USN-7750-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2025:15535-1]
- [https://security-tracker.debian.org/tracker/CVE-2025-40928]
- [https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-40928.json]
- [https://ubuntu.com/security/notices/USN-7750-1]
- [https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-2171.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]