PYSEC-2026-3018
pypdf: Possible infinite loop when processing threads/articles in writer
En bref
- Publiée
- Mise à jour
- CVE
- CVE-2026-54651
- Alias
- GHSA-g9xf-7f8q-9mcj
- CVSS_V4
- CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/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 an infinite loop. This requires merging a file with threads/articles into a writer. ### Patches This has been fixed in [pypdf==6.13.1](https://github.com/py-pdf/pypdf/releases/tag/6.13.1). ### Workarounds If users cannot upgrade yet, consider applying the changes from PR [#3839](https://github.com/py-pdf/pypdf/pull/3839).
Paquets affectés
| Paquet | Versions |
|---|---|
| PyPI · pypdf | introduced 0, fixed 6.13.1 |
Références
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-g9xf-7f8q-9mcj WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-54651 ADVISORY
- https://github.com/py-pdf/pypdf/pull/3839 WEB
- https://github.com/py-pdf/pypdf PACKAGE
- https://github.com/py-pdf/pypdf/releases/tag/6.13.1 WEB
- https://pypi.org/project/pypdf PACKAGE
- https://github.com/advisories/GHSA-g9xf-7f8q-9mcj ADVISORY
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — PyPA Advisory Database |