PT-2026-69128
CVE-2026-71870
·
Published
2026-08-07
·
Updated
2026-10-23
Description by
CVSS 4.0
4.8
MediumMetricsAV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions
pypdf versions prior to 6.15.0
Description
A crafted PDF can cause excessive memory consumption during text extraction. This occurs when the
parse bfrange() function in pypdf/ cmap.py parses unusually large source-code or destination-string tokens within a font /ToUnicode CMap (a character map used to map character codes to Unicode).Recommendations
Update to version 6.15.0.
As a temporary workaround, apply the changes from PR #3944.
Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
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