CVE-2025-40929
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
- State
- Published
- Severity
- 5.6 Medium
- Published
- Sep 8, 2025
- Updated
- Nov 4, 2025
- Reserved
- Apr 16, 2025
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
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.6 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L | CISA-ADP |
Weaknesses
- CWE-122 Heap-based Buffer Overflow
Affected Products
| Product | Versions |
|---|---|
Cpanel::JSON::XSRURBAN |
|
References
- https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.39/source/XS.xs#L713related
- https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.40/changesrelease-notes
- https://github.com/rurban/Cpanel-JSON-XS/commit/378236219eaa35742c3962ecbdee364903b0a1f2.patchpatch
- https://lists.debian.org/debian-lts-announce/2025/09/msg00034.html
- http://www.openwall.com/lists/oss-security/2025/09/08/1
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