ALAS2023-2026-3352: Security update for 3 packages

ALAS2023-2026-3352, released November 7, 2026, fixes 9 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.1

Base score, 0 to 10

Highest EPSS

0.0051

43rd percentile

Priority of the 9 CVEs

Patch now 0
                                Urgent 1
                                High 7
                                Routine 1

Fixed package versions

Product	Release	Fixed in
perl-Cpanel-JSON-XS	amzn 2023	4.25-2.amzn2023.0.10
perl-Cpanel-JSON-XS-debuginfo	amzn 2023	4.25-2.amzn2023.0.10
perl-Cpanel-JSON-XS-debugsource	amzn 2023	4.25-2.amzn2023.0.10

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-110685	libcpanel-json-xs-perl: Cpanel::JSON::XS versions before 4.80 for Perl leak the decoded arguments of a tagged value when its THAW method dies...	9.1	0.0051	None reported
High	CVE-2026-110672	libcpanel-json-xs-perl: Cpanel::JSON::XS versions before 4.80 for Perl leak the decoded key of an object rejected for a duplicate key or a mi...	7.5	0.0049	None reported
High	CVE-2026-110673	libcpanel-json-xs-perl: Cpanel::JSON::XS versions before 4.80 for Perl allow stack exhaustion via nested tagged values under allow_tags in de...	7.5	0.0049	None reported
High	CVE-2026-110676	libcpanel-json-xs-perl: Cpanel::JSON::XS versions before 4.80 for Perl allow memory exhaustion by encoding exponent notation as full decimal...	7.5	0.0049	None reported
High	CVE-2026-110678	libcpanel-json-xs-perl: Cpanel::JSON::XS versions before 4.80 for Perl allow memory exhaustion by buffering incremental input past max_size i...	7.5	0.0049	None reported
High	CVE-2026-110680	libcpanel-json-xs-perl: Cpanel::JSON::XS versions from 4.20 before 4.80 for Perl write out of bounds when a tied or shared hash grows during...	7.5	0.0047	None reported
High	CVE-2026-110684	libcpanel-json-xs-perl: Cpanel::JSON::XS versions from 3.0202 before 4.80 for Perl leak memory and retain overloaded objects when encoding va...	8.1	0.0045	None reported
High	CVE-2026-110681	libcpanel-json-xs-perl: Cpanel::JSON::XS versions before 4.80 for Perl use the parent interpreter's scalars from a parser object cloned into...	8.1	0.0043	None reported
Routine	CVE-2026-110686	libcpanel-json-xs-perl: Cpanel::JSON::XS versions before 4.80 for Perl use freed filter callbacks when a filter removes itself during decodin...	6.5	0.0043	None reported

Also fixes CVE-2026-110685

SUSE-SU-2026:4926-1
perl-Cpanel-JSON-XS on sles 15.7
FEDORA-2026-4447E52D23
perl-Cpanel-JSON-XS, perl-Cpanel-JSON-XS-debuginfo, perl-Cpanel-JSON-XS-debugsource on Fedora 43
OPENSUSE-SU-2026:22187-1
perl-Cpanel-JSON-XS on opensuse-leap 16.0
DEBIAN-CVE-2026-110685
libcpanel-json-xs-perl on Debian 14

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2026-3352.html

For tools and AI agents

This page as data: JSON · Markdown

Link to this page

If this page saved you time, a link to it in your ticket, advisory or write-up helps others find it.

HTML

<a href="https://patchblox.com/security/fix/linux/alas2023-2026-3352">ALAS2023-2026-3352 on Patchblox Patch Radar</a>

Reusing the data? How to credit Patch Radar.

Which servers are still behind?

Patchblox compares the installed package on every Linux machine against the fixed version for its release, including machines reported through Azure Update Manager.

Get a demo

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.