CVE-2025-66019
2 advisories.
PyPI/pypdf CVE-2025-66019: medium
pypdf's LZWDecode streams be manipulated to exhaust RAM
Action: Upgrade pypdf to 6.4.0 or later.
pip install pypdf==6.4.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 6.4.0 | - |
Fixed versions
| 6.4.0 |
Sources
- osv: GHSA-m449-cwjh-6pw7
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-jfx9-29x2-rv3j
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-m449-cwjh-6pw7
- https://nvd.nist.gov/vuln/detail/CVE-2025-66019
- https://github.com/py-pdf/pypdf/commit/96186725e5e6f237129a58a97cd19204a9ce40b2
- https://aydinnyunus.github.io/2025/12/20/cve-2025-66019-pypdf-lzw-dos
- https://github.com/py-pdf/pypdf
- https://github.com/py-pdf/pypdf/releases/tag/6.4.0
CVE-2025-66019 · published · modified · JSON
PyPI/pypdf CVE-2025-66019: unknown
pypdf's LZWDecode streams be manipulated to exhaust RAM
Action: Upgrade pypdf to 6.4.0 or later.
pip install pypdf==6.4.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 6.4.0 | - |
Fixed versions
| 6.4.0 |
Sources
- osv: PYSEC-2026-1832
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-jfx9-29x2-rv3j
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-m449-cwjh-6pw7
- https://nvd.nist.gov/vuln/detail/CVE-2025-66019
- https://github.com/py-pdf/pypdf/commit/96186725e5e6f237129a58a97cd19204a9ce40b2
- https://aydinnyunus.github.io/2025/12/20/cve-2025-66019-pypdf-lzw-dos
- https://github.com/py-pdf/pypdf
- https://github.com/py-pdf/pypdf/releases/tag/6.4.0
- https://pypi.org/project/pypdf
- https://github.com/advisories/GHSA-m449-cwjh-6pw7
CVE-2025-66019 · published · modified · JSON