high7.5
CVE-2025-62707
pypdf possibly loops infinitely when reading DCT inline images without EOF marker
Impact
### 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).
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | pypdf | < 6.1.3 | 6.1.3 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Pypdf Project | Pypdf | before 6.1.3 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/py-pdf/pypdf/commit/f2864d6dd9bac7cecd3f4f54308b25ebbfa178f8
- https://github.com/py-pdf/pypdf/pull/3501
- https://github.com/py-pdf/pypdf/releases/tag/6.1.3
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-vr63-x8vc-m265
- https://github.com/advisories/GHSA-vr63-x8vc-m265
- https://nvd.nist.gov/vuln/detail/CVE-2025-62707