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CVE-2026-9516

Medium priority
Needs evaluation

Cpanel::JSON::XS versions before 4.41 for Perl allow denial of service via UTF-8 BOM prefixed input when a decode filter callback throws. To skip a leading 3-byte UTF-8 BOM, decode_json() advances the input scalar's string pointer...

1 affected package

libcpanel-json-xs-perl

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libcpanel-json-xs-perl Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-9334

Medium priority
Needs evaluation

Cpanel::JSON::XS versions before 4.41 for Perl allow type confusion via duplicate object keys when dupkeys_as_arrayref is enabled. decode_hv() collapses duplicate object keys into an array reference under dupkeys_as_arrayref. The...

1 affected package

libcpanel-json-xs-perl

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libcpanel-json-xs-perl Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2025-40929

Medium priority

Some fixes available 5 of 8

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

1 affected package

libcpanel-json-xs-perl

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libcpanel-json-xs-perl Fixed Fixed Fixed Needs evaluation Needs evaluation
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CVE-2022-48623

Medium priority

Some fixes available 2 of 3

The Cpanel::JSON::XS package before 4.33 for Perl performs out-of-bounds accesses in a way that allows attackers to obtain sensitive information or cause a denial of service.

1 affected package

libcpanel-json-xs-perl

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libcpanel-json-xs-perl Not affected Not affected Fixed Fixed Needs evaluation
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