GHSA-62M5-6WH8-28X7 pypdf has possible long runtimes/large memory usage for encrypted PDF files

Impact An attacker who uses this vulnerability can craft a PDF which leads to large runtimes/memory usage. This requires accessing the page count of an encrypted PDF file, which itself declares a wrong /Count value. Patches This has been fixed in pypdf==6.21.3. Workarounds If you cannot upgrade...

EUVD-2026-113380

pypdf has possible long runtimes/large memory usage for encrypted PDF files...

pypdf has possible long runtimes/large memory usage for encrypted PDF files

Impact An attacker who uses this vulnerability can craft a PDF which leads to large runtimes/memory usage. This requires accessing the page count of an encrypted PDF file, which itself declares a wrong /Count value. Patches This has been fixed in pypdf==6.21.3. Workarounds If you cannot upgrade...

CVE-2026-119208

A flaw was found in pypdf. An attacker can cause a Denial of Service DoS by providing a crafted, encrypted PDF document containing a forged page count. When an application attempts to retrieve the page count, pypdf trusts the unvalidated declared value rather than verifying the page tree, resulti...

CVE-2026-119208

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.3, pypdf can consume excessive time and memory when an application accesses the page count of a crafted encrypted PDF whose page tree declares a forged /Count value. Even after successful decryption, page-count retrieval trust...

DEBIAN-CVE-2026-119208

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.3, pypdf can consume excessive time and memory when an application accesses the page count of a crafted encrypted PDF whose page tree declares a forged /Count value. Even after successful decryption, page-count retrieval trust...

CVE-2026-119208

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.3, pypdf can consume excessive time and memory when an application accesses the page count of a crafted encrypted PDF whose page tree declares a forged /Count value. Even after successful decryption, page-count retrieval trust...

CVE-2026-119208

The pypdf pure-python PDF library is vulnerable to uncontrolled resource consumption (CWE-400) in versions prior to 6.21.3 . When an application accesses the page count of a crafted encrypted PDF, the library trusts an unvalidated ̄Count value in the page tree instead of walking the tree itself. T...

CVE-2026-119208 pypdf: Possible long runtimes/large memory usage for encrypted PDF files

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.3, pypdf can consume excessive time and memory when an application accesses the page count of a crafted encrypted PDF whose page tree declares a forged /Count value. Even after successful decryption, page-count retrieval trust...

CVE-2026-119208

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.3, pypdf can consume excessive time and memory when an application accesses the page count of a crafted encrypted PDF whose page tree declares a forged /Count value. Even after successful decryption, page-count retrieval trust...

CVE-2026-119208: py-pdf pypdf: pypdf is a free and open-source pure-python PDF library

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.3, pypdf can consume excessive time and memory when an application accesses the page count of a crafted encrypted PDF whose page tree declares a forged /Count value. Even after successful decryption, page-count retrieval trust...

PT-2026-132830

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.21.3 Description An issue exists where the library consumes excessive time and memory when accessing the page count of a specially crafted encrypted PDF. This occurs because the page-count retrieval process trusts an...

CVE-2026-63273

A flaw was found in LibreOffice Draw. This vulnerability allows a remote attacker to cause a denial of service by crafting a specially designed encrypted PDF document. When a user opens this malicious document, a heap buffer overflow occurs because the software incorrectly handles the decryption...

CVE-2026-63273

LibreOffice Draw can import PDF documents. A heap buffer overflow existed when importing an encrypted document. The length of the decryption key was taken from the document's own encryption dictionary and was used to fill a fixed size key buffer without being checked against it, so a length large...

CVE-2026-8811 Path traversal in PDF generation module

SEPPmail versions before 15.0.5 allow improper handling of attachment filenames during encrypted PDF generation. An attacker can exploit this to create new files outside the intended directory, potentially placing files in web-accessible locations...

CVE-2026-8811

SEPPmail versions before 15.0.5 allow improper handling of attachment filenames during encrypted PDF generation. An attacker can exploit this to create new files outside the intended directory, potentially placing files in web-accessible locations...

CVE-2026-8811: Improper Limitation of a Pathname to a Restricted Directory

SEPPmail versions before 15.0.5 allow improper handling of attachment filenames during encrypted PDF generation. An attacker can exploit this to create new files outside the intended directory, potentially placing files in web-accessible locations...

EUVD-2008-1002

Malware in sbrugna...

EUVD-2024-0982

Malicious code in bioql PyPI...

CVE-2019-8772

An issue existed in the handling of links in encrypted PDFs. This issue was addressed by adding a confirmation prompt. This issue is fixed in macOS Catalina 10.15. An attacker may be able to exfiltrate the contents of an encrypted PDF...