PT-2026-59626 · Pypi · Pypdf
Published
2026-07-13
·
Updated
2026-07-13
CVSS v3.1
3.3
Low
| Vector | AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
Impact
An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires cross-reference streams with
/W [0 0 0] values and large /Size values.Patches
This has been fixed in pypdf==6.12.0.
Workarounds
If developers are unable to upgrade their apps immediately, they should consider applying the changes from PR #3791.
Fix
Found an issue in the description? Have something to add? Feel free to write us 👾
Related Identifiers
Affected Products
Pypdf