{"schemaVersion":3,"id":"CVE-2026-84310","aliases":["GHSA-23w6-3w8w-8484","PYSEC-2026-3910","UBUNTU-CVE-2026-84310","DEBIAN-CVE-2026-84310","CGA-637v-r9j7-vg77","CGA-q9h9-fgq7-cxpv"],"status":"published","duplicateOf":null,"title":null,"description":"pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf/_doc_common.py _get_outline to consume long runtimes and large amounts of memory when retrieving document outlines with large numbers of entries or deeply nested reused paths because the traversal lacked global entry-count and nesting-depth limits. 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