PyPDF Loop DoS

The vulnerability of the Python library for working with PDF files, PyPDF, is related to the execution of a loop with an unreachable exit condition. Exploiting this vulnerability can allow an attacker to cause a service failure...

PyPDF Uncontrolled Memory Allocation DoS

The vulnerability of the Python library for working with PDF files, PyPDF, is related to uncontrolled memory allocation. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

SUSE CVE-2026-82398

pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, an attacker can craft a PDF that causes long runtimes when the pypdf/utils.py function readuntilwhitespace reads a stream containing a long run of bytes without whitespace. The function repeatedly performs immutable bytes...

Linux Distros Unpatched Vulnerability : CVE-2026-84310

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 6.16.1, an attacker can craft a PDF that causes pypdf/doccommon.py getoutline to consume long...

Linux Distros Unpatched Vulnerability : CVE-2026-84309

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 6.16.0, an attacker can craft a PDF whose cyclic tree structure causes...

Linux Distros Unpatched Vulnerability : CVE-2026-84311

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 6.16.1, an attacker can craft a PDF that causes pypdf/page.py PageObject.extracttext and...

CVE-2026-84309

A flaw was found in pypdf. An attacker can craft a malicious PDF document with a cyclic tree structure. When a writing code path attempts to insert a child object, the TreeObject.insertchild function can follow /Next links indefinitely, leading to an infinite loop. This can result in a denial of...

pypdf: Inefficient handling of non-whitespace inputs in read_until_whitespace

Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires a call to readuntilwhitespace with an input which does not have whitespace for a long time. Patches This has been fixed in pypdf==6.15.0. Workarounds If you cannot upgrade yet, consider...

render50 (9.2.2) potentially affected by CVE-2026-82398 via pypdf (3.15.3)

pypdf PYPI version 3.15.3 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - render50 9.2.2 Source cves: CVE-2026-82398 Source advisory: OSV:GHSA-FC8X-2RWW-XW9M...

chellow (>=1692799408.0.0, <=1698672999.0.0), pspdfutils (>=3.1.2, <=3.2.0) potentially affected by CVE-2026-82398 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-2026-82398 Source advisory: OSV:GHSA-FC8X-2RWW-XW9M...

calibreweb (0.6.21), sysnet-pdffiller (>=1.1.0, <=1.2.1) potentially affected by CVE-2026-82398 via pypdf (3.15.5)

pypdf PYPI version 3.15.5 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - calibreweb 0.6.21 - sysnet-pdffiller =1.1.0, =1.2.1 Source cves: CVE-2026-82398 Source advisory: OSV:GHSA-FC8X-2RWW-XW9M...

aiexec-base (0.6.4), ano-code (>=0.1.6, <=0.1.11) +38 more potentially affected by CVE-2026-82398 via pypdf (5.1.0)

pypdf PYPI version 5.1.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - aiexec-base 0.6.4 - ano-code =0.1.6, =0.0.1, =1.0.0, =0.6.0, =0.0.3, =0.1.0, =0.3.1, =3.3.6, =1.0.16, =0.2.37, =1.0.0, =0.1.11, =0.1.24 and more Sourc...

calibreweb (0.6.25), cewler (>=1.3.0, <=1.3.1) +8 more potentially affected by CVE-2026-82398 via pypdf (5.4.0)

pypdf PYPI version 5.4.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - calibreweb 0.6.25 - cewler =1.3.0, =1.1.2, =1.1.0, =1.2.0, =2025.3.0, =0.2.2, =28.3.2, =29.1.2 - ten8t 0.0.22 Source cves: CVE-2026-82398 Source...

a-data-processing (0.0.1), ab-data-processing (0.0.1) +9 more potentially affected by CVE-2026-82398 via pypdf (3.17.1)

pypdf PYPI version 3.17.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - a-data-processing 0.0.1 - ab-data-processing 0.0.1 - arac 0.0.1 - crate-anon 0.20.7 - generalagent =0.0.6, =0.0.1, =0.1.0, =0.0.1, =0.0.14 - pyxreade...

docvec-cli (0.1.0), ingenious (>=0.1.0, <=0.1.3) +3 more potentially affected by CVE-2026-82398 via pypdf (5.5.0)

pypdf PYPI version 5.5.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - docvec-cli 0.1.0 - ingenious =0.1.0, =0.1.3b1, =0.2.6, =29.1.3, =30.0.4 Source cves: CVE-2026-82398 Source advisory: OSV:GHSA-FC8X-2RWW-XW9M...

EUVD-2026-68894

pypdf: Inefficient handling of non-whitespace inputs in readuntilwhitespace...

pymorant (>=1.0.145, <=1.0.156) potentially affected by CVE-2026-82398 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-2026-82398 Source advisory: OSV:GHSA-FC8X-2RWW-XW9M...

assert-files (>=0.1.0, <=0.1.3), vpplib (0.0.4) +1 more potentially affected by CVE-2026-82398 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-2026-82398 Source advisory: OSV:GHSA-FC8X-2RWW-XW9M...

agatta (>=0.9.1, <=0.9.4), automate3 (2023.11.7) +5 more potentially affected by CVE-2026-82398 via pypdf (3.17.0)

pypdf PYPI version 3.17.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - agatta =0.9.1, =1698926697.0.0, =9.2.3, =9.2.6 - uniflow 0.0.7 Source cves: CVE-2026-82398 Source advisory: OSV:GHSA-FC8X-2RWW-XW9M...

agatta (>=1.0.0, <=1.0.2), agentbuddy (0.1.1.dev33) +102 more potentially affected by CVE-2026-82398 via pypdf (3.17.4)

pypdf PYPI version 3.17.4 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - agatta =1.0.0, =0.0.3, =0.0.1, =1.1.0, =0.0.2, =1.2.0, =0.6.7, =1.2.1, =0.1.3, =0.0.1, =0.8.2 - cadenai 0.1.0 and more Source cves: CVE-2026-82398...