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CVE-2026-110673 - Cpanel::JSON::XS versions before 4.80 for Perl allow stack exhaustion via nested tagged values under allow_tags in decode_tag

CVE ID : CVE-2026-110673 Published : Oct. 19, 2026, 7:17 p. m. • 38 minutes ago Description : Cpanel::JSON::XS versions before 4.80 for Perl allow stack exhaustion via nested tagged values under allow_tags in decode_tag. With allow_tags, "(" starts a tagged value. Its tag and value are decoded recursively, and each can start another tagged value. Unlike arrays and objects, this nesting is not counted against max_depth. A run of "(" bytes exhausts the C stack and triggers an uncatchable segmentation fault regardless of max_depth. Severity: 0.0 • NA

Oct 19·CVEFeed

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