# 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.

- Web page: https://patchblox.com/security/fix/linux/alas2023-2026-3352
- Platform: Linux
- Released: Nov 7, 2026
- Priority: Urgent (Closes CVE-2026-110685, rated Critical)
- CVEs: 9, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://alas.aws.amazon.com/AL2023/ALAS-2026-3352.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [perl-Cpanel-JSON-XS](https://patchblox.com/security/data/product/linux/perl-cpanel-json-xs.md) | amzn 2023 | 4.25-2.amzn2023.0.10 |
| [perl-Cpanel-JSON-XS-debuginfo](https://patchblox.com/security/data/product/linux/perl-cpanel-json-xs-debuginfo.md) | amzn 2023 | 4.25-2.amzn2023.0.10 |
| [perl-Cpanel-JSON-XS-debugsource](https://patchblox.com/security/data/product/linux/perl-cpanel-json-xs-debugsource.md) | amzn 2023 | 4.25-2.amzn2023.0.10 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-110685](https://patchblox.com/security/data/cve/CVE-2026-110685.md) | Urgent | 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 |  |
| [CVE-2026-110672](https://patchblox.com/security/data/cve/CVE-2026-110672.md) | High | 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 |  |
| [CVE-2026-110673](https://patchblox.com/security/data/cve/CVE-2026-110673.md) | High | 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 |  |
| [CVE-2026-110676](https://patchblox.com/security/data/cve/CVE-2026-110676.md) | High | 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 |  |
| [CVE-2026-110678](https://patchblox.com/security/data/cve/CVE-2026-110678.md) | High | 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 |  |
| [CVE-2026-110680](https://patchblox.com/security/data/cve/CVE-2026-110680.md) | High | 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 |  |
| [CVE-2026-110684](https://patchblox.com/security/data/cve/CVE-2026-110684.md) | High | 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 |  |
| [CVE-2026-110681](https://patchblox.com/security/data/cve/CVE-2026-110681.md) | High | 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 |  |
| [CVE-2026-110686](https://patchblox.com/security/data/cve/CVE-2026-110686.md) | Routine | 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 |  |

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Data as of 2026-11-09T19:38:12Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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