CVE-2026-49461
mediumPriorität · verfolgen · 22EPSS 0.002 · 7. PerzentilEUFRRUUSEPSS · bewertet 2026-10-27
pypdf is a free and open-source pure-python PDF library. Prior to 6.12.2, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting the text of a page which contains a form XObject with self-references. This vulnerability is fixed in 6.12.2.
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen
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-j543-4vmf-qm7vpypdf: Possible large memory usage for form XObjects during text extraction2026-06-16ghsa · osvUS
### Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting the text of a page which contains a form XObject with self-references. ### Patches This has been fixed in [pypdf==6.12.2](https://github.com/py-pdf/pypdf/releases/tag/6.12.2). ### Workarounds If you cannot upgrade yet, consider applying the changes from PR [#3805](https://github.com/py-pdf/pypdf/pull/3805).
- CERTFR-2026-AVI-1378Multiples vulnérabilités dans les produits IBMFrançais2026-10-23vendor · certfrFR
- PYSEC-2026-3020pypdf: Possible large memory usage for form XObjects during text extraction2026-07-13vendor · osvUS
### Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting the text of a page which contains a form XObject with self-references. ### Patches This has been fixed in [pypdf==6.12.2](https://github.com/py-pdf/pypdf/releases/tag/6.12.2). ### Workarounds If you cannot upgrade yet, consider applying the changes from PR [#3805](https://github.com/py-pdf/pypdf/pull/3805).
auch bekannt als (7)
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quellen
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Referenzen (9)
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/py-pdf/pypdf/pull/3805cnnvd
- https://github.com/py-pdf/pypdf/releases/tag/6.12.2cnnvd
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-j543-4vmf-qm7vcnnvd
- https://github.com/py-pdf/pypdf/pull/3805enisa_euvd
- https://github.com/py-pdf/pypdf/releases/tag/6.12.2enisa_euvd
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-j543-4vmf-qm7venisa_euvd
- https://github.com/py-pdf/pypdf/pull/3805Issue TrackingPatchnvd
- https://github.com/py-pdf/pypdf/releases/tag/6.12.2PatchRelease Notesnvd
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