CVE-2026-102993High· 8.7▾ Twilightpypdf is a free and open-source pure-python PDF library. Prior to 6.17.0, a crafted PDF can provide unusually large Roman page-label values that cause pypdf/_page_labels.py to generate excessively large numeral strings when an applicatio…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 47.8 · likelihood 0 · exploitation 0
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pypdf is a free and open-source pure-python PDF library. Prior to 6.17.0, a crafted PDF can provide unusually large Roman page-label values that cause pypdf/_page_labels.py to generate excessively large numeral strings when an application retrieves document page labels, consuming large amounts of memory and potentially making the application unavailable. This issue is fixed in version 6.17.0.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
GHSA-jm82-fx9c-mx94Mediumpypdf: Missing stream length values ignore defined limits
CVE-2026-102999High· 8.7pypdf is a free and open-source pure-python PDF library
CVE-2026-103000High· 8.7pypdf is a free and open-source pure-python PDF library
CVE-2026-102996High· 8.7pypdf is a free and open-source pure-python PDF library
CVE-2026-102997High· 8.7pypdf is a free and open-source pure-python PDF library
CVE-2026-102998High· 8.7pypdf is a free and open-source pure-python PDF library