GHSA-4pxv-j86v-mhcw

pypdf: Possible long runtimes for wrong size values in incremental mode

En bref

Publiée: 2026-04-16 21:30 UTC
Mise à jour: 2026-09-10 03:50 UTC
CVE: CVE-2026-41313
Alias: PYSEC-2026-3007
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

Sources

Source	Licence
OSV.dev	CC-BY 4.0 — GitHub Advisory Database