Linux · SUSE Linux Enterprise · Security advisory · November 7, 2026

SUSE-SU-2026:4926-1: perl-Cpanel-JSON-XS security update

SUSE-SU-2026:4926-1, released November 7, 2026, fixes 18 CVEs in perl-Cpanel-JSON-XS (version 4.800.0-150700.3.9.1). None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
18
None rated Critical
Exploited
0
None reported
Highest CVSS
9.1
Base score, 0 to 10
Highest EPSS
0.0051
44th percentile

Priority of the 18 CVEs

Patch now 0 Urgent 0 High 15 Routine 3

Fixed package versions

ProductReleaseFixed in
perl-Cpanel-JSON-XSsles 15.74.800.0-150700.3.9.1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2026-110685 perl-Cpanel-JSON-XS: decoded arguments of a tagged value leaked when its THAW method dies in `decode_tag` (bsc#1286180).9.1 0.0051 None reported
High CVE-2026-110672 perl-Cpanel-JSON-XS: leak of decoded key of an object rejected for a duplicate key or a missing colon in `decode_hv`7.5 0.0049 None reported
High CVE-2026-110673 perl-Cpanel-JSON-XS: stack exhaustion via nested tagged values under `allow_tags` in `decode_tag` (bsc#1286167).7.5 0.0049 None reported
High CVE-2026-110676 perl-Cpanel-JSON-XS: memory exhaustion by encoding exponent notation as full decimal digits under `allow_bignum`7.5 0.0049 None reported
High CVE-2026-110678 perl-Cpanel-JSON-XS: memory exhaustion by buffering incremental input past `max_size` in `incr_parse` (bsc#1286174).7.5 0.0049 None reported
High CVE-2026-110677 perl-Cpanel-JSON-XS: array collecting duplicate key values leaked under `dupkeys_as_arrayref` in `decode_hv`7.5 0.0049 None reported
High CVE-2026-110688 perl-Cpanel-JSON-XS: quadratic CPU use due to remaining buffer revalidation per value in `incr_parse` (bsc#1286183).7.5 0.0049 None reported
High CVE-2026-110680 perl-Cpanel-JSON-XS: out-of-bounds write when a tied or shared hash grows during canonical encoding in `encode_hv`7.5 0.0047 None reported
High CVE-2026-110675 perl-Cpanel-JSON-XS: malformed UTF-8 accepted in bare hash keys under `allow_barekey` in `decode_hv` (bsc#1286169).8.1 0.0045 None reported
High CVE-2026-110684 perl-Cpanel-JSON-XS: memory leaked and overloaded objects retained when encoding values as strings in `encode_stringify`8.1 0.0045 None reported
High CVE-2026-110681 perl-Cpanel-JSON-XS: parent interpreter's scalars from a parser object cloned into a new `ithread` (bsc#1286176).8.1 0.0043 None reported
High CVE-2026-110682 perl-Cpanel-JSON-XS: input chunking can change the decoded value of top-level numbers in `incr_parse` (bsc#1286177).7.5 0.0042 None reported
High CVE-2026-110687 perl-Cpanel-JSON-XS: byte-string keys misordered during canonical encoding in `utf16_cmp` (bsc#1286182).7.5 0.0042 None reported
High CVE-2026-9516 perl-Cpanel-JSON-XS: denial of service via UTF-8 BOM prefixed input when a decode filter callback throws (bsc#1267547).7.5 0.0036 None reported
High CVE-2026-9334 perl-Cpanel-JSON-XS: type confusion via duplicate object keys when `dupkeys_as_arrayref` is enabled (bsc#1267546).7.3 0.0025 None reported
Routine CVE-2026-110674 perl-Cpanel-JSON-XS: duplicate non-ASCII bare keys are missed, allowing type confusion under `dupkeys_as_arrayref` in6.5 0.0051 None reported
Routine CVE-2025-40929 perl-Cpanel-JSON-XS: integer overflow (bsc#1249331).5.6 0.0048 None reported
Routine CVE-2026-110686 perl-Cpanel-JSON-XS: freed filter callbacks used when a filter removes itself during decoding in `decode_hv`6.5 0.0043 None reported
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