Mattermost resource management error vulnerability

Mattermost versions 11.9.1 and earlier within the 11.9.x series, 11.8.5 and earlier within the 11.8.x series, 11.7.10 and earlier within the 11.7.x series, and 11.10.1 and earlier within the 11.10.x series contain a resource management error vulnerability. This vulnerability arises from the lack ...

GHSA-CGF9-327M-V77C pypdf: Possible large memory usage when parsing content streams

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing content streams with many small operations. Patches This has been fixed in pypdf==6.21.0. Workarounds If you cannot upgrade yet, consider applying the changes from PR 4218...

pypdf: Possible large memory usage when parsing content streams

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing content streams with many small operations. Patches This has been fixed in pypdf==6.21.0. Workarounds If you cannot upgrade yet, consider applying the changes from PR 4218...

CVE-2026-113791

A flaw was found in pypdf. A remote attacker could exploit this vulnerability by providing a specially crafted PDF file containing content streams with an excessive number of small operations. When parsed, this causes the library to allocate disproportionate amounts of memory, potentially leading...

CVE-2026-113791 pypdf: Possible large memory usage when parsing content streams

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.0, an attacker can craft a PDF containing a content stream with many small operations, causing parsing to consume large amounts of memory. This issue is fixed in version 6.21.0...

CVE-2026-113791

The pypdf pure-python PDF library is vulnerable to uncontrolled resource consumption (CWE-400, CWE-770) in versions prior to 6.21.0 . An attacker can craft a malicious PDF file containing a content stream with numerous small operations, which forces the parser to consume excessive amounts of memo...

CVE-2026-113791 pypdf: Possible large memory usage when parsing content streams

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.0, an attacker can craft a PDF containing a content stream with many small operations, causing parsing to consume large amounts of memory. This issue is fixed in version 6.21.0...

CVE-2026-113791 pypdf: Possible large memory usage when parsing content streams

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.0, an attacker can craft a PDF containing a content stream with many small operations, causing parsing to consume large amounts of memory. This issue is fixed in version 6.21.0...

Astra Linux – Vulnerability in pypdf2

PyPDF2 is an open-source Python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files. In versions prior to 1.27.5, an attacker who exploited this vulnerability could create a PDF that would cause an infinite loop if the PyPDF2 code attempted to access the...

PYSEC-2026-3612 pypdf: Possible infinite loop for not terminated inline images

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires parsing the content stream of a page with a not terminated inline image, as done when extracting the page text for example. Patches This has been fixed in pypdf==6.14.1. Workarounds If yo...

Denial Of Service (DoS)

pypdf is vulnerable to Denial of Service DoS. The vulnerability is due to improper detection of inline image end markers in PDF page content streams, which allows an attacker to craft a malicious PDF that triggers an infinite loop during parsing and causes a denial of service...

pypdf: Possible infinite loop for not terminated inline images

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires parsing the content stream of a page with a not terminated inline image, as done when extracting the page text for example. Patches This has been fixed in pypdf==6.14.1. Workarounds If yo...

Improper Validation of Specified Quantity in Input

Overview oxidize-pdf is a Python bindings for oxidize-pdf — generate, parse, split, merge, and manipulate PDF files Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input via the emission of non-finite color values in the content stream. An attacker...

Allocation of Resources Without Limits or Throttling

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 Allocation of Resources Without Limits or Throttling in readfromstream, when parsing PDF content streams. An attacker can consume...

pypdf security vulnerability

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 6.8.0, pypdf had a security vulnerability. This vulnerability stemmed from improper memory usage when parsing PDF content streams...

Allocation of Resources Without Limits or Throttling

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 Allocation of Resources Without Limits or Throttling in the RunLengthDecode filter, implemented in filters.py. An attacker can cau...

UBUNTU-CVE-2026-28351

pypdf is a free and open-source pure-python PDF library. Prior to version 6.7.4, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the content stream using the RunLengthDecode filter. This has been fixed in pypdf 6.7.4. As a workaroun...

pypdf security vulnerability

pypdf is py-pdf open source a free open source pure python PDF library . It is able to split, merge, crop and convert pages of a PDF file. pypdf versions prior to 6.4.0 has a security vulnerability , the vulnerability stems from the LZWDecode filter parsing PDF content streams may lead to excessi...

CVE-2025-62708

pypdf is a free and open-source pure-python PDF library. Prior to version 6.1.3, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the content stream of a page using the LZWDecode filter. This has been fixed in pypdf version 6.1.3...

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 in the parsing of content streams containing inline images with the DCTDecode filter when the end-of-file marker is...