CVE-2026-71852
lowPriorität · verfolgen · 13EPSS 0.001 · 2. PerzentilEUUSEPSS · bewertet 2026-10-28
pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause long runtimes and large memory consumption when pypdf/_font.py function Font._collect_cid_character_widths expands unusually large CID font /W width ranges or excessive width entries during text extraction. This issue is fixed in 6.15.0.
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · low–medium · 1.1–4.8
SSVC
Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (3)
Betroffene Produkte und Versionsbereiche.
Advisories (2)
Hersteller- und Ökosystem-Meldungen dazu.
- GHSA-fwg2-594c-jp42pypdf: Possible long runtimes/large memory usage for large CID font width ranges2026-08-07ghsa · osvUS
### Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes and large memory consumption. This requires parsing the font width entries of a font with unusually large values, for example during text extraction. ### Patches This has been fixed in [pypdf==6.15.0](https://github.com/py-pdf/pypdf/releases/tag/6.15.0). ### Workarounds If you cannot upgrade yet, consider applying the changes from PR [#3946](https://github.com/py-pdf/pypdf/pull/3946).
- PYSEC-2026-3656pypdf: Possible long runtimes/large memory usage for large CID font width ranges2026-08-10vendor · osvUS
### Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes and large memory consumption. This requires parsing the font width entries of a font with unusually large values, for example during text extraction. ### Patches This has been fixed in [pypdf==6.15.0](https://github.com/py-pdf/pypdf/releases/tag/6.15.0). ### Workarounds If you cannot upgrade yet, consider applying the changes from PR [#3946](https://github.com/py-pdf/pypdf/pull/3946).
auch bekannt als (6)
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quellen
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Referenzen (12)
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/py-pdf/pypdf/commit/51cb6acf9e8a35b77e90b4d87d28fe3e1416d7d7cnnvd
- https://github.com/py-pdf/pypdf/pull/3946cnnvd
- https://github.com/py-pdf/pypdf/releases/tag/6.15.0cnnvd
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-fwg2-594c-jp42cnnvd
- https://github.com/py-pdf/pypdf/commit/51cb6acf9e8a35b77e90b4d87d28fe3e1416d7d7enisa_euvd
- https://github.com/py-pdf/pypdf/pull/3946enisa_euvd
- https://github.com/py-pdf/pypdf/releases/tag/6.15.0enisa_euvd
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-fwg2-594c-jp42enisa_euvd
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