PYSEC-2026-3611
pypdf: Possible large memory usage for wrong image dimensions
En bref
- Publiée
- Mise à jour
- CVE
- CVE-2026-59938
- Alias
- GHSA-5qjq-93h5-hrgp
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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 loading images where the declared size values are much too large compared to the actual data. ### Patches This has been fixed in [pypdf==6.14.0](https://github.com/py-pdf/pypdf/releases/tag/6.14.0). ### Workarounds If you cannot upgrade yet, consider applying the changes from PR [#3888](https://github.com/py-pdf/pypdf/pull/3888).
Paquets affectés
| Paquet | Versions |
|---|---|
| PyPI · pypdf | introduced 0, fixed 6.14.0 |
Références
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-5qjq-93h5-hrgp WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-59938 ADVISORY
- https://github.com/py-pdf/pypdf/pull/3888 WEB
- https://github.com/py-pdf/pypdf/commit/c64583be16b8e8763d8777075f8ecbf382014b7a WEB
- https://github.com/py-pdf/pypdf PACKAGE
- https://github.com/py-pdf/pypdf/releases/tag/6.14.0 WEB
- https://pypi.org/project/pypdf PACKAGE
- https://github.com/advisories/GHSA-5qjq-93h5-hrgp ADVISORY
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — PyPA Advisory Database |