cocpyth (>=0.1.1, <=0.1.2), pretix (>=4.19.0, <=4.20.4) potentially affected by CVE-2026-22690 via pypdf (3.8.1)

pypdf PYPI version 3.8.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - cocpyth =0.1.1, =4.19.0, =4.20.4 Source cves: CVE-2026-22690 Source advisory: OSV:GHSA-4XC4-762W-M6CG...

pdfmerge (1.0.0), ribometric (>=0.1.4, <=0.1.12) potentially affected by CVE-2026-22690 via pypdf (3.9.0)

pypdf PYPI version 3.9.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - pdfmerge 1.0.0 - ribometric =0.1.4, =0.1.12 Source cves: CVE-2026-22690 Source advisory: OSV:GHSA-4XC4-762W-M6CG...

calibreweb (0.6.20) potentially affected by CVE-2026-22690 via pypdf (3.5.2)

pypdf PYPI version 3.5.2 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - calibreweb 0.6.20 Source cves: CVE-2026-22690 Source advisory: OSV:GHSA-4XC4-762W-M6CG...

fair-llm (>=0.2.0, <=0.6.2), geo-importer (>=0.0.1b1, <=0.0.1b914) +4 more potentially affected by CVE-2026-22690 via pypdf (5.6.0)

pypdf PYPI version 5.6.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - fair-llm =0.2.0, =0.0.1b1, =30.0.5, =30.0.7 - textspitter 0.4.0b0 Source cves: CVE-2026-22690 Source advisory: OSV:GHSA-4XC4-762W-M6CG...

ai-enterprise-agent (>=0.0.4, <=0.0.9), almax-common (>=1.0.5.dev20240601224039, <=1.0.7.dev20240801212517) +25 more potentially affected by CVE-2026-22690 via pypdf (4.2.0)

pypdf PYPI version 4.2.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - ai-enterprise-agent =0.0.4, =1.0.5.dev20240601224039, =2024.7.4, =0.6.22, =0.2.1, =0.2.0, =0.0.5, =0.2.1, =3.3.2, =0.1.0, =0.0.1, =4.7.1, =0.1.0, =0.1...

add-staves (>=0.1.1, <=0.2.4), agentix-agent-sdk (0.1.0) +135 more potentially affected by CVE-2026-22690 via pypdf (4.3.1)

pypdf PYPI version 4.3.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - add-staves =0.1.1, =0.0.1, =0.0.1.dev1, =3.0.0, =0.1.0, =1.0.0, =0.3.8.0, =0.3.2, =0.1.6, =1725528079.0.0, =0.1.4, =0.1.9 and more Source cves:...

chellow (>=1692799408.0.0, <=1698672999.0.0), pspdfutils (>=3.1.2, <=3.2.0) potentially affected by CVE-2026-22690 via pypdf (3.15.2)

pypdf PYPI version 3.15.2 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - chellow =1692799408.0.0, =3.1.2, =3.2.0 Source cves: CVE-2026-22690 Source advisory: OSV:GHSA-4XC4-762W-M6CG...

pymorant (>=1.0.145, <=1.0.156) potentially affected by CVE-2026-22690 via pypdf (3.16.1)

pypdf PYPI version 3.16.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - pymorant =1.0.145, =1.0.156 Source cves: CVE-2026-22690 Source advisory: OSV:GHSA-4XC4-762W-M6CG...

assert-files (>=0.1.0, <=0.1.3), vpplib (0.0.4) +1 more potentially affected by CVE-2026-22690 via pypdf (3.16.4)

pypdf PYPI version 3.16.4 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - assert-files =0.1.0, =0.61.0, =0.65.0 Source cves: CVE-2026-22690 Source advisory: OSV:GHSA-4XC4-762W-M6CG...

gai-common (>=0.1.2, <=0.86.0), gai-lib (0.120.0) +4 more potentially affected by CVE-2026-22690 via pypdf (4.3.0)

pypdf PYPI version 4.3.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - gai-common =0.1.2, =1.1.3, =0.3.1, =5.3.8, =0.6.6, =0.7.0 Source cves: CVE-2026-22690 Source advisory: OSV:GHSA-4XC4-762W-M6CG...

cewler (1.2.0.post1), python-xdoc (>=0.1.0, <=0.1.1) potentially affected by CVE-2026-22690 via pypdf (4.0.1)

pypdf PYPI version 4.0.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - cewler 1.2.0.post1 - python-xdoc =0.1.0, =0.1.1 Source cves: CVE-2026-22690 Source advisory: OSV:GHSA-4XC4-762W-M6CG...

athena-starship (>=0.0.3, <=0.0.6), conflare (>=0.1.2, <=0.1.3) +11 more potentially affected by CVE-2026-22690 via pypdf (4.1.0)

pypdf PYPI version 4.1.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - athena-starship =0.0.3, =0.1.2, =2.2.0, =0.0.1, =3.3.0, =1.14.0, =0.1.4, =4.6.2, =0.1.0, =0.1.58 Source cves: CVE-2026-22690 Source advisory:...

chellow (>=1679494175.0.0, <=1688376223.0.0), pretix (>=4.18.0, <=4.18.2.post1) potentially affected by CVE-2026-22690 via pypdf (3.6.0)

pypdf PYPI version 3.6.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - chellow =1679494175.0.0, =4.18.0, =4.18.2.post1 Source cves: CVE-2026-22690 Source advisory: OSV:GHSA-4XC4-762W-M6CG...

PT-2026-4845

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.6.2 Description A flaw exists in the pypdf library that allows attackers to trigger an infinite loop by creating a PDF file with cyclic outline references. This requires accessing the outlines or bookmarks within the...

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...

Denial-of-service (DoS)

pypdf is vulnerable to a Denial-of-service DoS. The vulnerability is due to improper handling of inline images using the DCTDecode filter during PDF content stream parsing, which allows an attacker to craft a malicious PDF that triggers an infinite loop and causes CPU exhaustion...

Denial-of-service (DoS)

pypdf is vulnerable to Denial-of-service DoS. The vulnerability is due to improper handling of the LZWDecode filter while parsing a PDF page content stream, which allows an attacker to craft a malicious PDF that triggers excessive memory usage...

Uncontrolled Memory Allocation

pypdf is vulnerable to uncontrolled memory allocation. The vulnerability is due to improper handling of LZWDecode streams, which allows an attacker to craft a malicious PDF that causes excessive memory consumption up to 1 GB per stream during content parsing...

Linux Distros Unpatched Vulnerability : CVE-2025-66019

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 6.4.0, an attacker who uses this vulnerability can craft a PDF which leads to a memory...

SUSE CVE-2025-66019

pypdf is a free and open-source pure-python PDF library. Prior to version 6.4.0, an attacker who uses this vulnerability can craft a PDF which leads to a memory usage of up to 1 GB per stream. This requires parsing the content stream of a page using the LZWDecode filter. This issue has been patch...