CVE-2026-48156
lowPriorität · verfolgen · 13EPSS 0.001 · 2. PerzentilEUFRRUUSEPSS · bewertet 2026-10-27
pypdf is a free and open-source pure-python PDF library. Prior to 6.12.0, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires cross-reference streams with /W [0 0 0] values and large /Size values. This vulnerability is fixed in 6.12.0.
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · low–medium · 1.2–5.1
SSVC
Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (12)
Betroffene Produkte und Versionsbereiche.
Advisories (3)
Hersteller- und Ökosystem-Meldungen dazu.
- GHSA-248m-82v9-q6g6pypdf: Possible long runtimes for zero-only width values in cross-reference streamsuntimes for zero-only width values in cross-reference streams2026-06-12ghsa · osvUS
### Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires cross-reference streams with `/W [0 0 0]` values and large `/Size` values. ### Patches This has been fixed in [pypdf==6.12.0](https://github.com/py-pdf/pypdf/releases/tag/6.12.0). ### Workarounds If developers are unable to upgrade their apps immediately, they should consider applying the changes from PR [#3791](https://github.com/py-pdf/pypdf/pull/3791).
- CERTFR-2026-AVI-1378Multiples vulnérabilités dans les produits IBMFrançais2026-10-23vendor · certfrFR
- PYSEC-2026-3004pypdf: Possible long runtimes for zero-only width values in cross-reference streamsuntimes for zero-only width values in cross-reference streams2026-07-13vendor · osvUS
### Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires cross-reference streams with `/W [0 0 0]` values and large `/Size` values. ### Patches This has been fixed in [pypdf==6.12.0](https://github.com/py-pdf/pypdf/releases/tag/6.12.0). ### Workarounds If developers are unable to upgrade their apps immediately, they should consider applying the changes from PR [#3791](https://github.com/py-pdf/pypdf/pull/3791).
auch bekannt als (7)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (10)
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/py-pdf/pypdf/pull/3791cnnvd
- https://github.com/py-pdf/pypdf/releasesPatchcnnvd
- https://github.com/py-pdf/pypdf/releases/tag/6.12.0cnnvd
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-248m-82v9-q6g6cnnvd
- https://github.com/py-pdf/pypdf/pull/3791enisa_euvd
- https://github.com/py-pdf/pypdf/releases/tag/6.12.0enisa_euvd
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-248m-82v9-q6g6enisa_euvd
- https://github.com/py-pdf/pypdf/pull/3791Issue TrackingPatchnvd
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