CVE-2026-48156 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...

CVE-2026-48156

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...

CVE-2026-48156 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...

CVE-2026-48156

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...

CVE-2026-48156

The CVE affects the Python PDF library pypdf (prior to 6.12.0). A crafted PDF leveraging cross-reference streams with /W [0 0 0] and large /Size can cause long runtimes. Fixed in 6.12.0; remediation is to upgrade to that version or later.

CVE-2026-48156 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...

CVE-2026-48735

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...

CVE-2026-48735 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...

CVE-2026-48735 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...

CVE-2026-48735

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...

CVE-2026-48735 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...

CVE-2026-48735

The CVE affects the Python PDF library pypdf prior to version 6.12.1, where parsing large XMP metadata can cause excessive memory usage. Root cause is processing crafted or verbose XMP metadata that expands memory footprint. Impact stated: high impact on availability due to memory exhaustion; con...

PT-2026-44393

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.12.0 Description A flaw in the pure-python PDF library allows an attacker to craft a PDF file that causes long runtimes. This is achieved by using cross-reference streams with /W 0 0 0 values and large /Size values...

pypdf 安全漏洞

pypdf is an open-source, free, and pure Python PDF library developed by py-pdf. It allows for splitting, merging, cropping, and converting pages of PDF files. Prior to version 6.12.0, pypdf had security vulnerabilities. These vulnerabilities stemmed from the use of cross-references involving valu...

pypdf 资源管理错误漏洞

pypdf is an open-source, free Python library developed by py-pdf. It allows for splitting, merging, cropping, and converting pages within PDF files. Prior to version 6.12.0, pypdf had a resource management vulnerability caused by the use of large character offsets when extracting text in layout...

PT-2026-44392

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.12.0 Description A flaw in the pure-python PDF library allows an attacker to craft a PDF file that causes excessive memory consumption. This occurs when extracting text in layout mode using large character offsets...

PT-2026-44399

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.12.1 Description An attacker can craft a PDF file that causes excessive memory consumption during the parsing of large XMP metadata, which may contain numerous unnecessary elements. Recommendations Update to version...

pypdf 安全漏洞

pypdf is an open-source, free Python library for handling PDF files. It allows for splitting, merging, cropping, and converting pages within PDF files. Prior to version 6.12.1, pypdf had a security vulnerability. This vulnerability stemmed from the parsing of large XMP metadata, which might conta...

Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in pypdf-6.6.2-py3-none-any.whl

Summary IBM Watson Discovery Cartridge affected by vulnerability in pypdf-6.6.2-py3-none-any.whl Vulnerability Details CVEID:CVE-2026-27024 DESCRIPTION: 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 ...

Security Bulletin: Vulnerability in pypdf bundled with IBM Fusion, IBM Fusion HCI and Content-Aware Storage

Summary IBM Fusion, IBM Fusion HCI and Content-Aware Storage include pypdf which could cause infinite loop vulnerability. CVE-2026-24688. Vulnerability Details CVEID:CVE-2026-24688 DESCRIPTION: pypdf is a free and open-source pure-python PDF library. An attacker who uses an infinite loop...