CVE-2026-12844 List::SomeUtils::XS versions before 0.59 for Perl have a heap buffer overflow in the pairwise function

List::SomeUtils::XS versions before 0.59 for Perl have a heap buffer overflow in the pairwise function. pairwise collects the values returned by the block into a heap buffer sized to the longer input array, then grows the buffer before each copy with a single quadrupling alloc = 2 instead of a...

EUVD-2026-39444

List::SomeUtils::XS versions before 0.59 for Perl have a heap buffer overflow in the pairwise function. pairwise collects the values returned by the block into a heap buffer sized to the longer input array, then grows the buffer before each copy with a single quadrupling alloc = 2 instead of a...

CVE-2026-12844 List::SomeUtils::XS versions before 0.59 for Perl have a heap buffer overflow in the pairwise function

List::SomeUtils::XS versions before 0.59 for Perl have a heap buffer overflow in the pairwise function. pairwise collects the values returned by the block into a heap buffer sized to the longer input array, then grows the buffer before each copy with a single quadrupling alloc = 2 instead of a...

CVE-2026-12844: Out-of-bounds Write

List::SomeUtils::XS versions before 0.59 for Perl have a heap buffer overflow in the pairwise function. pairwise collects the values returned by the block into a heap buffer sized to the longer input array, then grows the buffer before each copy with a single quadrupling alloc = 2 instead of a...

Amazon Linux 2023 : perl-Cpanel-JSON-XS (ALAS2023-2026-1829)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1829 advisory. BOM-shift PV-corruption SIGABRT CVE-2026-9516 Tenable has extracted the preceding description block directly from the tested product security advisory. Note that Nessus has not tested for this issue bu...

Medium: perl-Cpanel-JSON-XS

Issue Overview: BOM-shift PV-corruption SIGABRT CVE-2026-9516 Affected Packages: perl-Cpanel-JSON-XS Issue Correction: Run dnf update perl-Cpanel-JSON-XS --releasever 2023.12.20260622 or dnf update --advisory ALAS2023-2026-1829 --releasever 2023.12.20260622 to update your system. More information...

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

This update for perl-Cpanel-JSON-XS fixes the following issues: Changes in perl-Cpanel-JSON-XS: - updated to 4.420.0 4.42 see /usr/share/doc/packages/perl-Cpanel-JSON-XS/Changes 4.42 2026-06-27 rurban - Ensure encode with a type spec hashref does not change the hashref argument GH 240 - Fix -e...

CVE-2026-7111

Text::CSVXS versions before 1.62 for Perl have a use-after-free when registered callbacks extend the Perl argument stack, which may enable type confusion or memory corruption. The Parse, print, getline, and getlineall methods invoke registered callbacks for example afterparse, beforeprint, or...

OESA-2026-2588 perl-Cpanel-JSON-XS security update

This module converts Perl data structures to JSON and vice versa. Its primary goal is to be correct and its secondary goal is to be fast. To reach the latter goal it was written in C. Security Fixes: Cpanel::JSON::XS versions before 4.41 for Perl allow type confusion via duplicate object keys whe...

OESA-2026-2589 perl-Cpanel-JSON-XS security update

This module converts Perl data structures to JSON and vice versa. Its primary goal is to be correct and its secondary goal is to be fast. To reach the latter goal it was written in C. Security Fixes: Cpanel::JSON::XS versions before 4.41 for Perl allow type confusion via duplicate object keys whe...

[SECURITY] Fedora 43 Update: perl-Cpanel-JSON-XS-4.41-1.fc43

This module converts Perl data structures to JSON and vice versa. Its primary goal is to be correct and its secondary goal is to be fast. To reach the latter goal it was written in C...

Fedora 43 : perl-Cpanel-JSON-XS (2026-d88c7fac8c)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-d88c7fac8c advisory. This update addresses a number of bugs including these security issues: Fix BOM-shift PV-corruption SIGABRT CVE-2026-9516 Fix dupkeysasarrayref type...

Fedora 44 : perl-Cpanel-JSON-XS (2026-0a82e80353)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-0a82e80353 advisory. This update addresses a number of bugs including these security issues: Fix BOM-shift PV-corruption SIGABRT CVE-2026-9516 Fix dupkeysasarrayref type...

SUSE CVE-2026-9334

Cpanel::JSON::XS versions before 4.41 for Perl allow type confusion via duplicate object keys when dupkeysasarrayref is enabled. decodehv collapses duplicate object keys into an array reference under dupkeysasarrayref. The branch reached for a duplicate key tests SvTYPE oldvalue != SVtRV && SvTYP...

CVE-2026-9334

Cpanel::JSON::XS versions before 4.41 for Perl allow type confusion via duplicate object keys when dupkeysasarrayref is enabled. decodehv collapses duplicate object keys into an array reference under dupkeysasarrayref. The branch reached for a duplicate key tests SvTYPE oldvalue != SVtRV && SvTYP...

AZL-89396 CVE-2026-9334 affecting package perl-Cpanel-JSON-XS 4.39-1

Cpanel::JSON::XS versions before 4.41 for Perl allow type confusion via duplicate object keys when dupkeysasarrayref is enabled. decodehv collapses duplicate object keys into an array reference under dupkeysasarrayref. The branch reached for a duplicate key tests SvTYPE oldvalue != SVtRV && SvTYP...

AZL-89399 CVE-2026-9516 affecting package perl-Cpanel-JSON-XS 4.39-1

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, decodejson advances the input scalar's string pointer past the mark with SvPVset and restores it only on the normal return...

CVE-2026-9516

The Cpanel::JSON::XS Perl module (versions before 4.41 ) is vulnerable to a Denial of Service (DoS) attack. The root cause lies in the decode_json() function, which advances the string pointer of an input scalar to skip a leading 3-byte UTF-8 BOM but fails to restore that pointer if the decoding ...

CVE-2026-9516

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, decodejson advances the input scalar's string pointer past the mark with SvPVset and restores it only on the normal return...

CVE-2026-9516 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

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, decodejson advances the input scalar's string pointer past the mark with SvPVset and restores it only on the normal return...