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CVE-2026-110681

unscored Published
NVD · CVE.org

Cpanel::JSON::XS versions before 4.80 for Perl use the parent interpreter's scalars from a parser object cloned into a new ithread. A parser object holds its callbacks and its incremental parse buffer as raw scalar pointers. When a thread is created, these are copied into the new interpreter unchanged, so the child's parser uses, and later frees, scalars that belong to the parent and may already have been freed there. A parser created before a thread starts and used inside it can call freed callbacks, corrupt reference counts and crash the process.

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 18:12
  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