CVE-2026-113794Medium· 6.0▾ Sunlitpypdf: Possible infinite loop when hitting EOF in standard xref table
▾ Sunlit zone — Low / medium · no exploitation signal
impact 33 · likelihood 0 · exploitation 0
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An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires an incomplete file which ends inside the xref table.
This has been fixed in pypdf==6.20.0.
If you cannot upgrade yet, consider applying the changes from PR #4170.
This has been reported through both the secure channel and as a public issue at #4169.
pypdf < 6.20.0Upgrade to a patched release:
pypdf 6.20.0Connected by shared product, vendor, weakness, or advisory.
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