Source: pypdf Version: 6.9.2-2 Severity: important Tags: security upstream Forwarded: https://github.com/py-pdf/pypdf/pull/3964 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for pypdf. CVE-2026-84309[0]: | pypdf is a free and open-source pure-python PDF library. Prior to | 6.16.0, an attacker can craft a PDF whose cyclic tree structure | causes pypdf/generic/_data_structures.py TreeObject.insert_child to | follow /Next links indefinitely when a writing code path inserts a | child, producing an infinite loop. This issue is fixed in version | 6.16.0. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-84309 https://www.cve.org/CVERecord?id=CVE-2026-84309 [1] https://github.com/py-pdf/pypdf/security/advisories/GHSA-jp53-mhqp-8xcg [2] https://github.com/py-pdf/pypdf/pull/3964 [3] https://github.com/py-pdf/pypdf/commit/c9ba557d565d57c53a0b3a0be06c0a4c29b0559b Please adjust the affected versions in the BTS as needed. Regards, Salvatore
