| Package | Affected versions | Patched versions |
|---|---|---|
| pypdf | < 6.20.0 | 6.20.0 |
An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires an incomplete file which ends inside the xref table.
This has been fixed in pypdf==6.20.0.
If you cannot upgrade yet, consider applying the changes from PR #4170.
This has been reported through both the secure channel and as a public issue at #4169.
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