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CVE-2026-27888

HIGH

7.5

Beschreibung

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.3, an attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the `xfa` property of a reader or writer and the corresponding stream being compressed using `/FlateDecode`. This has been fixed in pypdf 6.7.3. As a workaround, apply the patch manually.

CVE Details

CVSS v3.1 Bewertung7.5

SchweregradHIGH

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht2/26/2026

Zuletzt geandert2/27/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

pypdf_project:pypdf

Schwachen (CWE)

CWE-400

Referenzen

https://github.com/py-pdf/pypdf/commit/7a4c8246ed48d9d328fb596942271da47b6d109c(security-advisories@github.com)

https://github.com/py-pdf/pypdf/pull/3658(security-advisories@github.com)

https://github.com/py-pdf/pypdf/releases/tag/6.7.3(security-advisories@github.com)

https://github.com/py-pdf/pypdf/security/advisories/GHSA-x7hp-r3qg-r3cj(security-advisories@github.com)

IOC Korrelationen

Keine Korrelationen erfasst

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