The Cpanel::JSON::XS package before 4.33 for Perl performs out-of-bounds accesses in a way that allows attackers to obtain sensitive inform…

published 2024-02-13 2 y ago modified 2026-06-17 4 mo ago also EUVD-2022-51318

cvss: 9.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits: 0; none known

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.

Patch / fix

fixed in 1 distros 3 links 1

cpanel cpanel 4.33

debian ubuntu azure linux

libcpanel-json-xs-perl Debian 14, Debian 13, Debian 12 4.35-1

debian advisories DEBIAN-CVE-2022-48623

libcpanel-json-xs-perl Ubuntu 20.04 LTS 4.19-1ubuntu0.1
libcpanel-json-xs-perl Ubuntu 22.04 LTS 4.27-1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2022-48623

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

perl-Cpanel-JSON-XS Azure Linux 3.0 4.39-1

azure linux advisories AZL-44766

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

github.com/rurban/Cpanel-JSON-XS@41f3239 commit

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 2 y ago (2024-08-19)

Exploit prediction

0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CNA	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

cpanel cpanel

Classification

Weakness

CWE-125 Out-of-bounds Read

References

github.com /rurban/Cpanel-JSON-XS/commit/41f32396eee9395a40f9ed80145c37622560de9b
patch
metacpan.org /release/RURBAN/Cpanel-JSON-XS-4.33/changes
release-notes
github.com /briandfoy/cpan-security-advisory/blob/9374f98bef51e1ae887f293234050551c079776f/cpansa/CPANSA-Cpanel-JSON-XS.y
product
github.com /rurban/Cpanel-JSON-XS/issues/208
issue-tracking, third-party-advisory

Sources

CVE List CVE-2022-48623
NVD CVE-2022-48623

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary