CVE-2025-62707Medium▾ Sunlitpypdf possibly loops infinitely when reading DCT inline images without EOF marker
▾ Sunlit zone — Low / medium · no exploitation signal
impact 27.5 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
0.4%
0.4% → 0.4%
Last analysed / modified upstream
An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires parsing the content stream of a page which has an inline image using the DCTDecode filter.
This has been fixed in pypdf==6.1.3.
If you cannot upgrade yet, consider applying the changes from PR #3501.
pypdf < 6.1.3Upgrade to a patched release:
pypdf 6.1.3Connected by shared product, vendor, weakness, or advisory.
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