CVE-2026-22691 pypdf has possible long runtimes for malformed startxref

pypdf is a free and open-source pure-python PDF library. Prior to version 6.6.0, pypdf has possible long runtimes for malformed startxref. An attacker who uses this vulnerability can craft a PDF which leads to possibly long runtimes for invalid startxref entries. When rebuilding the cross-referen...

CVE-2026-22690 pypdf has possible long runtimes for missing /Root object with large /Size values

pypdf is a free and open-source pure-python PDF library. Prior to version 6.6.0, pypdf has possible long runtimes for missing /Root object with large /Size values. An attacker who uses this vulnerability can craft a PDF which leads to possibly long runtimes for actually invalid files. This can be...

CVE-2026-22690 pypdf has possible long runtimes for missing /Root object with large /Size values

pypdf is a free and open-source pure-python PDF library. Prior to version 6.6.0, pypdf has possible long runtimes for missing /Root object with large /Size values. An attacker who uses this vulnerability can craft a PDF which leads to possibly long runtimes for actually invalid files. This can be...

CVE-2026-22690

CVE-2026-22690 affects the Python PDF library pypdf prior to version 6.6.0. The issue allows long runtimes for malformed PDFs caused by omitting the /Root entry in the trailer while using a large /Size value; the vulnerability occurs in non-strict reading mode. The problem has been addressed and ...

EUVD-2026-1878

pypdf is a free and open-source pure-python PDF library. Prior to version 6.6.0, pypdf has possible long runtimes for missing /Root object with large /Size values. An attacker who uses this vulnerability can craft a PDF which leads to possibly long runtimes for actually invalid files. This can be...

CVE-2026-22690 pypdf has possible long runtimes for missing /Root object with large /Size values

pypdf is a free and open-source pure-python PDF library. Prior to version 6.6.0, pypdf has possible long runtimes for missing /Root object with large /Size values. An attacker who uses this vulnerability can craft a PDF which leads to possibly long runtimes for actually invalid files. This can be...

Linux Distros Unpatched Vulnerability : CVE-2026-22691

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 version 6.6.0, pypdf has possible long runtimes for malformed startxref. An attacker who uses...

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...

Regular Expression Denial of Service (ReDoS)

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 Regular Expression Denial of Service ReDoS in the flatten function. An attacker can cause excessive processing times by providing ...

GHSA-4F6G-68PF-7VHV 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...

pypdf has possible long runtimes for missing /Root object with large /Size values

Impact An attacker who exploits this vulnerability can craft a PDF which leads to possibly long runtimes for actually invalid files. This can be achieved by omitting the /Root entry in the trailer, while using a rather large /Size value. Only the non-strict reading mode is affected. Patches This...

Unchecked Input for Loop Condition

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 Unchecked Input for Loop Condition in the processing of PDF files when the /Root entry is omitted from the trailer and a large /Si...

GHSA-4XC4-762W-M6CG pypdf has possible long runtimes for missing /Root object with large /Size values

Impact An attacker who exploits this vulnerability can craft a PDF which leads to possibly long runtimes for actually invalid files. This can be achieved by omitting the /Root entry in the trailer, while using a rather large /Size value. Only the non-strict reading mode is affected. Patches This...

PT-2026-2245

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.6.0 Description pypdf is a pure-python PDF library. Versions prior to 6.6.0 are susceptible to long runtimes when processing malformed startxref entries within PDF files. An attacker can create a specially crafted PDF...

PT-2026-2244

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.6.0 Description pypdf is a free and open-source pure-python PDF library. Versions prior to 6.6.0 are susceptible to potential long runtimes when processing PDF files missing the /Root object but containing a large /Si...

PT-2026-28179

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.9.2 Description pypdf is a free and open-source pure-python PDF library. A crafted PDF file can cause an infinite loop when read in non-strict mode. This issue requires reading a file in non-strict mode. Applying the...

EUVD-2025-36764

Malicious code in transform-strict-mode npm...

Malicious code in transform-strict-mode (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 6b1eba84b6c8867605a410bc60af12768528aecb23257d4925bc3376c2ca8b85 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Malicious Package

Overview transform-strict-mode is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package...

MAL-2025-49052 Malicious code in transform-strict-mode (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 6b1eba84b6c8867605a410bc60af12768528aecb23257d4925bc3376c2ca8b85 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...