pypdf: Manipulated FlateDecode image dimensions can exhaust RAM
### Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing an image using `/FlateDecode` with large size values. ### Patches This has been fixed in [pypdf==6.10.2](https://github.com/py-pdf/pypdf/releases/tag/6.10.2). ### Workarounds If you cannot upgrade yet, consider applying the changes from PR [#3734](https://github.com/py-pdf/pypdf/pull/3734).
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-41314US | medium6.5 | — | ||
pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions prior to 6.10.2 can craft a PDF which leads to the RAM being exhau… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/advisories/GHSA-x284-j5p8-9c5pADVISORY
- https://github.com/py-pdf/pypdfPACKAGE
- https://github.com/py-pdf/pypdf/commit/ac734dab4eef92bcce50d503949b4d9887d89f11WEB
- https://github.com/py-pdf/pypdf/pull/3734WEB
- https://github.com/py-pdf/pypdf/releases/tag/6.10.2WEB
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-x284-j5p8-9c5pWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-41314ADVISORY
- https://pypi.org/project/pypdfPACKAGE
scry
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