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Sicherheitslücken in pypdf2 · Seite 2

In den letzten 30 Tagen veröffentlichte Sicherheitslücken für pypdf2: 16. Davon im KEV-Katalog: 0.

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Sicherheitslücken: 49

  1. CVE-2026-59935

    Hoch · CVSS 8.7EPSS 0,62%Keine Korrektur veröffentlicht

    pypdf: Possible infinite loop for not terminated inline images (ASCII85 and ASCIIHex filter)

    pypdf is a free and open-source pure-python PDF library. Prior to 6.14.2, an attacker can craft a PDF with a page content stream containing a not terminated inline image that uses the ASCII85 or ASCIIHex filters, causing an infinite loop during parsing such as when extracting page text. This issue is fixed in version 6.14.2.

    Veröffentlicht Aktualisiert
  2. CVE-2026-59937

    Mittel · CVSS 6.9EPSS 0,62%Keine Korrektur veröffentlicht

    pypdf: Possible long runtimes for repeated malformed cross-reference entries

    pypdf is a free and open-source pure-python PDF library. Prior to 6.14.0, an attacker can craft a PDF with repeated malformed cross-reference streams that cause pypdf to spend long runtimes recovering broken cross-reference table entries. This issue is fixed in version 6.14.0.

    Veröffentlicht Aktualisiert
  3. CVE-2026-59938

    Mittel · CVSS 6.9EPSS 0,52%Keine Korrektur veröffentlicht

    pypdf: Possible large memory usage for wrong image dimensions

    pypdf is a free and open-source pure-python PDF library. Prior to 6.14.0, an attacker can craft a PDF with declared image size values that are much too large compared to the actual data, causing large memory usage in pypdf image parsing. This issue is fixed in version 6.14.0.

    Veröffentlicht Aktualisiert
  4. CVE-2026-54651

    Mittel · CVSS 6.9EPSS 0,16%Keine Korrektur veröffentlicht

    pypdf: Possible infinite loop when processing threads/articles in writer

    pypdf is a free and open-source pure-python PDF library. Prior to 6.13.1, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires merging a file with threads/articles into a writer. This vulnerability is fixed in 6.13.1.

    Veröffentlicht Aktualisiert
  5. CVE-2026-49460

    Mittel · CVSS 5.1EPSS 0,17%Keine Korrektur veröffentlicht

    pypdf: Inefficient decoding of FlateDecode PNG predictor streams

    pypdf is a free and open-source pure-python PDF library. Prior to 6.12.2, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires accessing a stream which uses the /FlateDecode filter with a PNG predictor. This vulnerability is fixed in 6.12.2.

    Veröffentlicht Aktualisiert
  6. CVE-2026-49461

    Mittel · CVSS 6.9EPSS 0,17%Keine Korrektur veröffentlicht

    pypdf: Possible large memory usage for form XObjects during text extraction

    pypdf is a free and open-source pure-python PDF library. Prior to 6.12.2, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting the text of a page which contains a form XObject with self-references. This vulnerability is fixed in 6.12.2.

    Veröffentlicht Aktualisiert
  7. CVE-2026-54531

    Mittel · CVSS 6.9EPSS 0,17%Keine Korrektur veröffentlicht

    pypdf: Possible infinite loop when processing outlines/bookmarks in writer

    pypdf is a free and open-source pure-python PDF library. Prior to 6.13.0, 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. This vulnerability is fixed in 6.13.0.

    Veröffentlicht Aktualisiert
  8. CVE-2026-54530

    Mittel · CVSS 6.9EPSS 0,17%Keine Korrektur veröffentlicht

    pypdf: Possible infinite loop when retrieving fonts for layout-mode text extraction

    pypdf is a free and open-source pure-python PDF library. Prior to 6.13.0, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires extracting the text in layout mode. This vulnerability is fixed in 6.13.0.

    Veröffentlicht Aktualisiert
  9. CVE-2026-48155

    Mittel · CVSS 4.8EPSS 0,13%Keine Korrektur veröffentlicht

    pypdf: Possible large memory usage for large offsets for layout mode text

    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 large memory usage. This requires extracting text in layout mode with large character offsets. This vulnerability is fixed in 6.12.0.

    Veröffentlicht Aktualisiert
  10. CVE-2026-48156

    Mittel · CVSS 5.1EPSS 0,12%Keine Korrektur veröffentlicht

    pypdf: Possible long runtimes for zero-only width values in cross-reference streams

    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.

    Veröffentlicht Aktualisiert
  11. CVE-2026-48735

    Mittel · CVSS 6.9EPSS 0,13%Keine Korrektur veröffentlicht

    pypdf: Manipulated XMP metadata streams can exhaust RAM

    pypdf is a free and open-source pure-python PDF library. Prior to 6.12.1, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing large XMP metadata, possibly with lots of unnecessary elements. This vulnerability is fixed in 6.12.1.

    Veröffentlicht Aktualisiert
  12. CVE-2026-41314

    Mittel · CVSS 4.8EPSS 0,23%Keine Korrektur veröffentlicht

    pypdf: Manipulated FlateDecode image dimensions can exhaust RAM

    pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions prior to 6.10.2 can craft a PDF which leads to the RAM being exhausted. This requires accessing an image using `/FlateDecode` with large size values. This has been fixed in pypdf 6.10.2. As a workaround, one may apply the changes from the patch manually.

    Veröffentlicht Aktualisiert
  13. CVE-2026-41313

    Mittel · CVSS 4.8EPSS 0,21%Keine Korrektur veröffentlicht

    pypdf: Possible long runtimes for wrong size values in incremental mode

    pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions prior to 6.10.2 can craft a PDF which leads to long runtimes. This requires loading a PDF with a large trailer `/Size` value in incremental mode. This has been fixed in pypdf 6.10.2. As a workaround, one may apply the changes from the patch manually.

    Veröffentlicht Aktualisiert
  14. CVE-2026-41312

    Mittel · CVSS 4.8EPSS 0,23%Keine Korrektur veröffentlicht

    pypdf: Manipulated FlateDecode predictor parameters can exhaust RAM

    pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions prior to 6.10.2 can craft a PDF which leads to the RAM being exhausted. This requires accessing a stream compressed using `/FlateDecode` with a `/Predictor` unequal 1 and large predictor parameters. This has been fixed in pypdf 6.10.2. As a workaround, one may apply the changes from the patch manually.

    Veröffentlicht Aktualisiert
  15. CVE-2026-41168

    Mittel · CVSS 6.9EPSS 0,3%Keine Korrektur veröffentlicht

    pypdf has possible long runtimes for wrong size values in cross-reference and object streams

    pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions prior to 6.10.1 can craft a PDF which leads to long runtimes. This requires cross-reference streams with wrong large `/Size` values or object streams with wrong large `/N` values. This has been fixed in pypdf 6.10.1. As a workaround, one may apply the changes from the patch manually.

    Veröffentlicht Aktualisiert
  16. CVE-2026-40260

    Mittel · CVSS 6.9EPSS 0,42%Keine Korrektur veröffentlicht

    pypdf: Manipulated XMP metadata entity declarations can exhaust RAM

    pypdf is a free and open-source pure-python PDF library. In versions prior to 6.10.0, manipulated XMP metadata entity declarations can exhaust RAM. An attacker who exploits this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the XMP metadata. This issue has been fixed in version 6.10.0.

    Veröffentlicht Aktualisiert
  17. CVE-2026-33699

    Mittel · CVSS 4.6EPSS 0,47%Keine Korrektur veröffentlicht

    pypdf: Possible infinite loop during recovery attempts in DictionaryObject.read_from_stream

    pypdf is a free and open-source pure-python PDF library. Versions prior to 6.9.2 have a vulnerability in which an attacker can craft a PDF which leads to an infinite loop. This requires reading a file in non-strict mode. This has been fixed in pypdf 6.9.2. If users cannot upgrade yet, consider applying the changes from the patch manually.

    Veröffentlicht Aktualisiert
  18. CVE-2026-28351

    Mittel · CVSS 6.9EPSS 0,48%Keine Korrektur veröffentlicht

    Manipulated RunLengthDecode streams can exhaust RAM

    pypdf is a free and open-source pure-python PDF library. Prior to version 6.7.4, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the content stream using the RunLengthDecode filter. This has been fixed in pypdf 6.7.4. As a workaround, consider applying the changes from PR #3664.

    Veröffentlicht Aktualisiert
  19. CVE-2026-27628

    Niedrig · CVSS 1.2EPSS 0,4%Keine Korrektur veröffentlicht

    pypdf has a possible infinite loop when loading circular /Prev entries in cross-reference streams

    pypdf is a free and open-source pure-python PDF library. Prior to 6.7.2, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading the file. This has been fixed in pypdf 6.7.2. As a workaround, one may apply the patch manually.

    Veröffentlicht Aktualisiert
  20. CVE-2026-27026

    Mittel · CVSS 6.9EPSS 0,19%Keine Korrektur veröffentlicht

    pypdf possibly has long runtimes for malformed FlateDecode streams

    pypdf is a free and open-source pure-python PDF library. Prior to 6.7.1, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires a malformed /FlateDecode stream, where the byte-by-byte decompression is used. This vulnerability is fixed in 6.7.1.

    Veröffentlicht Aktualisiert

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