PYSEC-2026-1833
pypdf possibly loops infinitely when reading DCT inline images without EOF marker
En bref
- Publiée
- Mise à jour
- CVE
- CVE-2025-62707
- Alias
- GHSA-vr63-x8vc-m265
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U
Description
### Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires parsing the content stream of a page which has an inline image using the DCTDecode filter. ### Patches This has been fixed in [pypdf==6.1.3](https://github.com/py-pdf/pypdf/releases/tag/6.1.3). ### Workarounds If you cannot upgrade yet, consider applying the changes from PR [#3501](https://github.com/py-pdf/pypdf/pull/3501).
Paquets affectés
| Paquet | Versions |
|---|---|
| PyPI · pypdf | introduced 0, fixed 6.1.3 |
Références
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-vr63-x8vc-m265 WEB
- https://nvd.nist.gov/vuln/detail/CVE-2025-62707 ADVISORY
- https://github.com/py-pdf/pypdf/pull/3501 WEB
- https://github.com/py-pdf/pypdf/commit/f2864d6dd9bac7cecd3f4f54308b25ebbfa178f8 WEB
- https://github.com/py-pdf/pypdf PACKAGE
- https://github.com/py-pdf/pypdf/releases/tag/6.1.3 WEB
- https://pypi.org/project/pypdf PACKAGE
- https://github.com/advisories/GHSA-vr63-x8vc-m265 ADVISORY
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — PyPA Advisory Database |