libcpanel-json-xs-perl: Cpanel::JSON::XS before version 4.40 for Perl has an integer bufferoverflow causing a segfault when parsing crafted J...
CVE-2025-40929 is fixed in 4 products on 1 platform, first by libcpanel-json-xs-perl 4.27-1ubuntu0.2, released September 8, 2025. It is not reported as exploited. Patch Radar priority: Routine.
Cpanel::JSON::XS before version 4.40 for Perl has an integer bufferoverflow causing a segfault when parsing crafted JSON, enablingdenial-of-service attacks or other unspecified impact
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libcpanel-json-xs-perl · Debian 11.6 (bullseye) | 4.25-1+deb11u1 | DLA-4318-1 | Sep 30, 2025 |
| libcpanel-json-xs-perl · Debian 12.15 (bookworm) | 4.35-1+deb12u1 | DSA-6000-1 | Sep 11, 2025 |
| libcpanel-json-xs-perl · Debian 13.5 (trixie) | 4.39-2~deb13u1 | DSA-6000-1 | Sep 11, 2025 |
| libcpanel-json-xs-perl · Debian 14 | 4.39-2 | DEBIAN-CVE-2025-40929 | Sep 8, 2025 |
| libcpanel-json-xs-perl · Ubuntu 22.04.1 LTS (jammy) | 4.27-1ubuntu0.2 | libcpanel-json-xs-perl 4.27-1ubuntu0.2 | Sep 8, 2025 |
| libcpanel-json-xs-perl · Ubuntu 24.04.5 LTS (noble) | 4.37-1ubuntu0.1 | libcpanel-json-xs-perl 4.37-1ubuntu0.1 | Sep 8, 2025 |
| libcpanel-json-xs-perl · Ubuntu 25.04 (plucky) | 4.39-1ubuntu0.1 | libcpanel-json-xs-perl 4.39-1ubuntu0.1 | Jan 16, 2026 |
| libcpanel-json-xs-perl · Ubuntu 25.10 (questing) | 4.39-2 | libcpanel-json-xs-perl 4.39-2 | Sep 8, 2025 |
| libcpanel-json-xs-perl · Ubuntu 26.04.1 LTS (resolute) | 4.39-2 | libcpanel-json-xs-perl 4.39-2 | Sep 8, 2025 |
| perl-Cpanel-JSON-XS · amzn 2023 | 4.25-2.amzn2023.0.7 | ALAS2023-2025-1199 | Sep 17, 2025 |
| perl-Cpanel-JSON-XS · opensuse-leap 16.0 | 4.420.0-bp160.1.1 | OPENSUSE-SU-2026:21140-1 | Jun 19, 2026 |
| perl-Cpanel-JSON-XS · sles 15.7 | 4.800.0-150700.3.9.1 | SUSE-SU-2026:4926-1 | Nov 7, 2026 |
| perl-Cpanel-JSON-XS-debuginfo · amzn 2023 | 4.25-2.amzn2023.0.7 | ALAS2023-2025-1199 | Sep 17, 2025 |
| perl-Cpanel-JSON-XS-debugsource · amzn 2023 | 4.25-2.amzn2023.0.7 | ALAS2023-2025-1199 | Sep 17, 2025 |
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