CVE-2026-49460

A flaw was found in pypdf before 6.12.2. A crafted PDF that accesses a stream using the /FlateDecode filter with a PNG predictor can trigger excessively long processing times, leading to denial of service when the document is parsed...

CVE-2026-54651

A flaw was found in pypdf. An attacker can craft a malicious PDF file that, when merged with threads or articles into a writer, can lead to an an infinite loop. This vulnerability can result in a Denial of Service DoS condition, making the affected system unresponsive. Mitigation If PDF processin...

CVE-2026-54530

A flaw was found in pypdf, a pure-python PDF library. An attacker can craft a malicious PDF file that, when processed by a system extracting text in layout mode, can lead to an infinite loop. This vulnerability results in a Denial of Service DoS, making the affected system unresponsive. Mitigatio...

Astra Linux – Vulnerability in pypdf2

pypdf is a free and open-source Python-based PDF library. Prior to version 6.7.2, an attacker who exploited this vulnerability could create a PDF that would lead to an infinite loop. This required reading the file. This issue has been fixed in pypdf 6.7.2. As a workaround, one can manually apply...

SUSE CVE-2026-54651

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...

CVE-2026-49461

A flaw was found in pypdf. An attacker can craft a malicious PDF document containing a form XObject with self-references. When a user attempts to extract text from a page within this crafted PDF, it can lead to excessive memory consumption. This vulnerability may result in a Denial of Service DoS...

Linux Distros Unpatched Vulnerability : CVE-2026-54531

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 loo...

Linux Distros Unpatched Vulnerability : CVE-2026-54651

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 loo...

Linux Distros Unpatched Vulnerability : CVE-2026-49461

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Linux Distros Unpatched Vulnerability : CVE-2026-49460

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

OPENSUSE-SU-2026:11113-1 python311-pypdf-6.14.0-1.1 on GA media

These are all security issues fixed in the python311-pypdf-6.14.0-1.1 package on the GA media of openSUSE Tumbleweed...

Linux Distros Unpatched Vulnerability : CVE-2026-54530

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 loo...

Infinite loop

Overview pypdf is an A pure-python PDF library capable of splitting, merging, cropping, and transforming PDF files Affected versions of this package are vulnerable to Infinite loop through the addarticlesthread method in PdfWriter when processing PDF thread/article structures. An attacker can...

CVE-2026-54651

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...

CVE-2026-54531

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...

CVE-2026-49461

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....

CVE-2026-54530

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...

DEBIAN-CVE-2026-54531

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...

DEBIAN-CVE-2026-54651

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...

DEBIAN-CVE-2026-54530

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...