CVE-2026-71852Low· 3.3▾ Sunlitpypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause long runtimes and large memory consumption when pypdf/_font.py function Font._collect_cid_character_widths expands unusually large CID font…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 18.2 · likelihood 0 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Exploit-prediction probability, daily snapshots since Aug 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.1%
0.1% → 0.2%
Last analysed / modified upstream
— → 3.3
medium → low
pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause long runtimes and large memory consumption when pypdf/_font.py function Font._collect_cid_character_widths expands unusually large CID font /W width ranges or excessive width entries during text extraction. This issue is fixed in 6.15.0.
pypdf < 6.15.0Upgrade past the affected range:
pypdf 6.15.0Affected packages:
pypdf < 6.15.0Patched in:
pypdf 6.15.0Source: https://osv.dev/vulnerability/GHSA-fwg2-594c-jp42
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-84311Low· 3.3pypdf is a free and open-source pure-python PDF library
CVE-2026-84310Low· 3.3pypdf is a free and open-source pure-python PDF library
CVE-2026-71870Low· 3.3pypdf is a free and open-source pure-python PDF library
CVE-2026-82398Medium· 5.3pypdf is a free and open-source pure-python PDF library
CVE-2026-102995High· 7.5pypdf is a free and open-source pure-python PDF library
CVE-2026-102993High· 7.5pypdf is a free and open-source pure-python PDF library