CVE-2026-59937

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...

DEBIAN-CVE-2026-59937

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...

CVE-2026-59938

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...

UBUNTU-CVE-2026-59937

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...

UBUNTU-CVE-2026-59938

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...

CVE-2026-59937

CVE-2026-59937 affects the Python PDF library pypdf prior to 6.14.0. A crafted PDF with repeated malformed cross-reference streams can cause pypdf to spend long runtimes recovering broken cross-reference table entries, resulting in high impact on availability. The issue is fixed in version 6.14.0...

CVE-2026-59937

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...

CVE-2026-59937 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...

CVE-2026-59937

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...

CVE-2026-59938

CVE-2026-59938 affects the Python PDF library pypdf. Before version 6.14.0, an attacker can craft a PDF with image size values declared much larger than actual data, causing large memory usage during pypdf image parsing. Root cause: mismatch between declared image dimensions and image data in the...

CVE-2026-59938 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...

CVE-2026-59938

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...

CVE-2026-59938 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...

CVE-2026-59938 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...

CVE-2026-59938

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...

PT-2026-56547

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.14.1 Description An attacker can craft a PDF file with a page content stream containing an unterminated inline image. This leads to an infinite loop during the detection of the inline image end marker, which can occur...

PT-2026-56528

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.14.0 Description An attacker can craft a PDF file with declared image size values that are significantly larger than the actual data. This leads to excessive memory consumption during the image parsing process within...

PT-2026-56527

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.14.0 Description An attacker can craft a PDF containing repeated malformed cross-reference streams. This causes the library to spend excessive runtimes attempting to recover broken cross-reference table entries, leadi...

PYSEC-2026-1827 pypdf has possible Infinite Loop when processing outlines/bookmarks

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the outlines/bookmarks. Patches This has been fixed in pypdf 6.6.2. Workarounds If projects cannot upgrade yet, consider applying the changes from PR 3610...

PYSEC-2026-1828 pypdf has possible long runtimes for malformed startxref

Impact An attacker who exploits this vulnerability can craft a PDF which leads to possibly long runtimes for invalid startxref entries. When rebuilding the cross-reference table, PDF files with lots of whitespace characters become problematic. Only the non-strict reading mode is affected. Patches...