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CVE-2026-110673

unscored Published
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-19 18:11
  2. StatusReceived → Awaiting AnalysisNVD modified 2026-10-19 20:50
  3. First seenunscoredNVD modified 2026-10-19 19:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 2