PYSEC-2026-3007
pypdf: Possible long runtimes for wrong size values in incremental mode
En bref
- Publiée
- Mise à jour
- CVE
- CVE-2026-41313
- Alias
- GHSA-4pxv-j86v-mhcw
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS_V4
- CVSS:4.0/AV:L/AC:L/AT:N/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 long runtimes. This requires loading a PDF with a large trailer `/Size` value in incremental mode. ### Patches This has been fixed in [pypdf==6.10.2](https://github.com/py-pdf/pypdf/releases/tag/6.10.2). ### Workarounds If you cannot upgrade yet, consider applying the changes from PR [#3735](https://github.com/py-pdf/pypdf/pull/3735).
Paquets affectés
| Paquet | Versions |
|---|---|
| PyPI · pypdf | introduced 0, fixed 6.10.2 |
Références
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-4pxv-j86v-mhcw WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-41313 ADVISORY
- https://github.com/py-pdf/pypdf/pull/3735 WEB
- https://github.com/py-pdf/pypdf/commit/c50a0104cf083356f7c7f5d61410466a57f5c88a WEB
- https://github.com/py-pdf/pypdf PACKAGE
- https://github.com/py-pdf/pypdf/releases/tag/6.10.2 WEB
- https://pypi.org/project/pypdf PACKAGE
- https://github.com/advisories/GHSA-4pxv-j86v-mhcw ADVISORY
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — PyPA Advisory Database |