PYSEC-2026-3022
pypdf: Possible infinite loop when processing outlines/bookmarks in writer
En bref
- Publiée
- Mise à jour
- CVE
- CVE-2026-54531
- Alias
- GHSA-m2v9-299j-rv96
- 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 outlines into a writer. ### Patches This has been fixed in [pypdf==6.13.0](https://github.com/py-pdf/pypdf/releases/tag/6.13.0). ### Workarounds If you cannot upgrade yet, consider applying the changes from PR [#3830](https://github.com/py-pdf/pypdf/pull/3830).
Paquets affectés
| Paquet | Versions |
|---|---|
| PyPI · pypdf | introduced 0, fixed 6.13.0 |
Références
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-m2v9-299j-rv96 WEB
- https://github.com/py-pdf/pypdf/pull/3830 WEB
- https://github.com/py-pdf/pypdf PACKAGE
- https://github.com/py-pdf/pypdf/releases/tag/6.13.0 WEB
- https://pypi.org/project/pypdf PACKAGE
- https://github.com/advisories/GHSA-m2v9-299j-rv96 ADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-54531 ADVISORY
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — PyPA Advisory Database |