OPENSUSE-SU-2026:21140-1: perl-Cpanel-JSON-XS security update

OPENSUSE-SU-2026:21140-1, released June 19, 2026, fixes 3 CVEs in perl-Cpanel-JSON-XS (version 4.420.0-bp160.1.1). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.5

Base score, 0 to 10

Highest EPSS

0.0048

41st percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 0
                                High 2
                                Routine 1

Fixed package versions

Product	Release	Fixed in
perl-Cpanel-JSON-XS	opensuse-leap 16.0	4.420.0-bp160.1.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-9516	libcpanel-json-xs-perl: Cpanel::JSON::XS versions before 4.41 for Perl allow denial of service via UTF-8 BOM prefixed input when a decode fil...	7.5	0.0036	None reported
High	CVE-2026-9334	libcpanel-json-xs-perl: Cpanel::JSON::XS versions before 4.41 for Perl allow type confusion via duplicate object keys when dupkeys_as_arrayre...	7.3	0.0025	None reported
Routine	CVE-2025-40929	libcpanel-json-xs-perl: Cpanel::JSON::XS before version 4.40 for Perl has an integer bufferoverflow causing a segfault when parsing crafted J...	5.6	0.0048	None reported

Also fixes CVE-2026-9516

SUSE-SU-2026:4926-1
perl-Cpanel-JSON-XS on sles 15.7
DEBIAN-CVE-2026-9516
libcpanel-json-xs-perl on Debian 14
ALAS2023-2026-1829
perl-Cpanel-JSON-XS, perl-Cpanel-JSON-XS-debuginfo, perl-Cpanel-JSON-XS-debugsource on amzn 2023

Vendor advisory

https://osv.dev/vulnerability/openSUSE-SU-2026:21140-1

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