An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading the file.
This has been fixed in pypdf==6.7.2.
If users cannot upgrade yet, consider applying the changes from PR #3655.
{
"nvd_published_at": "2026-02-25T03:16:06Z",
"github_reviewed_at": "2026-02-25T16:09:03Z",
"github_reviewed": true,
"severity": "LOW",
"cwe_ids": [
"CWE-835"
]
}