UNKNOWN PyPI
pypdf has possible Infinite Loop when processing outlines/bookmarks
GHSA-2q4j-m29v-hq73 · CVE-2026-24688 · PYSEC-2026-1827
Published · Modified
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Description
Impact
An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the outlines/bookmarks.
Patches
This has been fixed in pypdf 6.6.2.
Workarounds
If projects cannot upgrade yet, consider applying the changes from PR #3610.
References
- WEB https://github.com/py-pdf/pypdf/security/advisories/GHSA-2q4j-m29v-hq73
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-24688
- WEB https://github.com/py-pdf/pypdf/pull/3610
- WEB https://github.com/py-pdf/pypdf/commit/b1282f8dcdc1a7b41ceab6740ffddfdf31b1fec1
- PACKAGE https://github.com/py-pdf/pypdf
- WEB https://github.com/py-pdf/pypdf/releases/tag/6.6.2
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