Most recent entries from all https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sun, 04 Oct 2026 21:55:18 +0000 CVE-2026-48156 — pypdf: Possible long runtimes for zero-only width values in cross-reference streams https://vulnerability.circl.lu/vuln/cve-2026-48156 <p><strong>Affected:</strong> py-pdf pypdf</p> <p>pypdf is a free and open-source pure-python PDF library. Prior to 6.12.0, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires cross-reference streams with /W [0 0 0] values and large /Size values. This vulnerability is fixed in 6.12.0.</p> <p><strong>Affected:</strong> py-pdf pypdf</p> <p>pypdf is a free and open-source pure-python PDF library. Prior to 6.12.0, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires cross-reference streams with /W [0 0 0] values and large /Size values. This vulnerability is fixed in 6.12.0.</p> https://vulnerability.circl.lu/vuln/cve-2026-48156 GHSA-248m-82v9-q6g6 — pypdf: Possible long runtimes for zero-only width values in cross-reference streamsuntimes for zero-only width values i… https://vulnerability.circl.lu/vuln/ghsa-248m-82v9-q6g6 <p><strong>Affected:</strong> PyPI: pypdf</p> <p>### Impact</p> <p>An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires cross-reference streams with `/W [0 0 0]` values and large `/Size` values.</p> <p>### Patches</p> <p>This has been fixed in [pypdf==6.12.0](https://github.com/py-pdf/pypdf/releases/tag/6.12.0).</p> <p>### Workarounds</p> <p>If developers are unable to upgrade their apps immediately, they should consider applying the changes from PR [#3791](https://github.com/py-pdf/pypdf/pull/3791).</p> <p><strong>Affected:</strong> PyPI: pypdf</p> <p>### Impact</p> <p>An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires cross-reference streams with `/W [0 0 0]` values and large `/Size` values.</p> <p>### Patches</p> <p>This has been fixed in [pypdf==6.12.0](https://github.com/py-pdf/pypdf/releases/tag/6.12.0).</p> <p>### Workarounds</p> <p>If developers are unable to upgrade their apps immediately, they should consider applying the changes from PR [#3791](https://github.com/py-pdf/pypdf/pull/3791).</p> https://vulnerability.circl.lu/vuln/ghsa-248m-82v9-q6g6 PYSEC-2026-3004 — pypdf: Possible long runtimes for zero-only width values in cross-reference streamsuntimes for zero-only width values i… https://vulnerability.circl.lu/vuln/pysec-2026-3004 <p><strong>Affected:</strong> PyPI: pypdf</p> <p>### Impact</p> <p>An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires cross-reference streams with `/W [0 0 0]` values and large `/Size` values.</p> <p>### Patches</p> <p>This has been fixed in [pypdf==6.12.0](https://github.com/py-pdf/pypdf/releases/tag/6.12.0).</p> <p>### Workarounds</p> <p>If developers are unable to upgrade their apps immediately, they should consider applying the changes from PR [#3791](https://github.com/py-pdf/pypdf/pull/3791).</p> <p><strong>Affected:</strong> PyPI: pypdf</p> <p>### Impact</p> <p>An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires cross-reference streams with `/W [0 0 0]` values and large `/Size` values.</p> <p>### Patches</p> <p>This has been fixed in [pypdf==6.12.0](https://github.com/py-pdf/pypdf/releases/tag/6.12.0).</p> <p>### Workarounds</p> <p>If developers are unable to upgrade their apps immediately, they should consider applying the changes from PR [#3791](https://github.com/py-pdf/pypdf/pull/3791).</p> https://vulnerability.circl.lu/vuln/pysec-2026-3004