Amazon Linux 2023 Security Advisory: ALAS2023-2025-1199
Advisory Released Date: 2025-09-29
Advisory Updated Date: 2025-09-29
Severity:
Medium
Issue Overview:
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 (CVE-2025-40929)
Affected Packages:
perl-Cpanel-JSON-XS
Issue Correction:
Run dnf update perl-Cpanel-JSON-XS --releasever 2023.9.20250929 or dnf update --advisory ALAS2023-2025-1199 --releasever 2023.9.20250929 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
aarch64:
perl-Cpanel-JSON-XS-debugsource-4.25-2.amzn2023.0.7.aarch64
perl-Cpanel-JSON-XS-debuginfo-4.25-2.amzn2023.0.7.aarch64
perl-Cpanel-JSON-XS-4.25-2.amzn2023.0.7.aarch64
src:
perl-Cpanel-JSON-XS-4.25-2.amzn2023.0.7.src
x86_64:
perl-Cpanel-JSON-XS-debugsource-4.25-2.amzn2023.0.7.x86_64
perl-Cpanel-JSON-XS-debuginfo-4.25-2.amzn2023.0.7.x86_64
perl-Cpanel-JSON-XS-4.25-2.amzn2023.0.7.x86_64