GHSA-f54x-cmq8-qg57
pypdf: Possible large memory usage when parsing arrays and dictionaries
En bref
- Publiée
- Mise à jour
- CVE
- CVE-2026-113790
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Description
### Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing arrays and/or dictionaries with lots of elements. ### Patches This has been fixed in [pypdf==6.21.0](https://github.com/py-pdf/pypdf/releases/tag/6.21.0). ### Workarounds If you cannot upgrade yet, consider applying the changes from PR [#4218](https://github.com/py-pdf/pypdf/pull/4218).
Paquets affectés
| Paquet | Versions |
|---|---|
| PyPI · pypdf | introduced 0, fixed 6.21.0 |
Références
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-f54x-cmq8-qg57 WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-113790 ADVISORY
- https://github.com/py-pdf/pypdf/pull/4218 WEB
- https://github.com/py-pdf/pypdf/commit/18bd2981a74479483a0b9507602c58a63d6c9b12 WEB
- https://github.com/py-pdf/pypdf PACKAGE
- https://github.com/py-pdf/pypdf/releases/tag/6.21.0 WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |