CVE-2026-22691
pypdf is a free and open-source pure-python PDF library. Prior to version 6.6.0, pypdf has possible long runtimes for malformed startxref. An attacker who uses this vulnerability can craft a PDF which leads to possibly long runtimes for invalid startxref entries. When rebuilding the cross-reference table, PDF files with lots of whitespace characters become problematic. Only the non-strict reading mode is affected. Only the non-strict reading mode is affected. This issue has been patched in version 6.6.0.
Vendor
Product
CWE
Yayın Tarihi
2026-01-10 05:16:08
Güncelleme
2026-01-22 15:01:05
Source Identifier
security-advisories@github.com
KEV Date Added
-