PYSEC-2026-3006
pypdf: Manipulated XMP metadata entity declarations can exhaust RAM
En bref
- Publiée
- Mise à jour
- CVE
- CVE-2026-40260
- Alias
- GHSA-3crg-w4f6-42mx
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- 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 parsing the XMP metadata. ### Patches This has been fixed in [pypdf==6.10.0](https://github.com/py-pdf/pypdf/releases/tag/6.10.0). ### Workarounds If you cannot upgrade yet, consider applying the changes from PR [#3724](https://github.com/py-pdf/pypdf/pull/3724).
Paquets affectés
| Paquet | Versions |
|---|---|
| PyPI · pypdf | introduced 0, fixed 6.10.0 |
Références
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-3crg-w4f6-42mx WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-40260 ADVISORY
- https://github.com/py-pdf/pypdf/pull/3724 WEB
- https://github.com/py-pdf/pypdf/commit/b15a374e5ca648d4878e57c3b2c0551e7f8cc7f8 WEB
- https://github.com/py-pdf/pypdf PACKAGE
- https://github.com/py-pdf/pypdf/releases/tag/6.10.0 WEB
- https://pypi.org/project/pypdf PACKAGE
- https://github.com/advisories/GHSA-3crg-w4f6-42mx ADVISORY
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — PyPA Advisory Database |