PT-2026-44393

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.12.0 Description A flaw in the pure-python PDF library allows an attacker to craft a PDF file that causes long runtimes. This is achieved by using cross-reference streams with /W 0 0 0 values and large /Size values...

openSUSE 16 Security Update : python-PyPDF2 (openSUSE-SU-2026:20794-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20794-1 advisory. Changes in python-PyPDF2: - CVE-2026-41312: Fixed issue where crafed PDF can lead to resources exhaustion bsc1262675 - CVE-2026-41314: Fixed a...

OPENSUSE-SU-2026:20794-1 Security update for python-PyPDF2

This update for python-PyPDF2 fixes the following issues: Changes in python-PyPDF2: - CVE-2026-41312: Fixed issue where crafed PDF can lead to resources exhaustion bsc1262675 - CVE-2026-41314: Fixed a denial of service via manipulated FlateDecode image dimensions can lead to RAM exhaustion...

CVE-2026-41168

A flaw was found in pypdf. An attacker can craft a malicious PDF file containing oversized cross-reference streams or object streams. Processing such a file can lead to excessively long runtimes, resulting in a Denial of Service DoS for applications using the pypdf library. Mitigation Mitigation...

SUSE CVE-2026-41168

pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions prior to 6.10.1 can craft a PDF which leads to long runtimes. This requires cross-reference streams with wrong large /Size values or object streams with wrong large /N values. This ha...

CVE-2026-41168

pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions prior to 6.10.1 can craft a PDF which leads to long runtimes. This requires cross-reference streams with wrong large /Size values or object streams with wrong large /N values. This ha...

DEBIAN-CVE-2026-41168

pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions prior to 6.10.1 can craft a PDF which leads to long runtimes. This requires cross-reference streams with wrong large /Size values or object streams with wrong large /N values. This ha...

EUVD-2026-25100

pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions prior to 6.10.1 can craft a PDF which leads to long runtimes. This requires cross-reference streams with wrong large /Size values or object streams with wrong large /N values. This ha...

CVE-2026-41168 pypdf has possible long runtimes for wrong size values in cross-reference and object streams

pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions prior to 6.10.1 can craft a PDF which leads to long runtimes. This requires cross-reference streams with wrong large /Size values or object streams with wrong large /N values. This ha...

pypdf has long runtimes for wrong size values in cross-reference and object streams

Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires cross-reference streams with wrong large /Size values or object streams with wrong large /N values. Patches This has been fixed in pypdf==6.10.1. Workarounds If you cannot upgrade yet,...

PT-2026-34562

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.10.1 Description A flaw in the pure-python PDF library allows an attacker to craft a PDF that results in long runtimes. This is achieved by using cross-reference streams with incorrect large /Size values or object...

openSUSE 16 Security Update : python-PyPDF2 (openSUSE-SU-2026:20333-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20333-1 advisory. Changes in python-PyPDF2: - CVE-2026-27628: Fixed infinite loop when loading circular /Prev entries in cross-reference streams bsc1258940 -...

Security update for python-PyPDF2 (important)

openSUSE security update: security update for python-pypdf2 ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20333-1 Rating: important References: bsc1248089 bsc1258691 bsc1258692 bsc1258693 bsc1258934 bsc1258940 Cross-References: CVE-2025-55197...

GHSA-2RW7-X74F-JG35 pypdf has a possible infinite loop when loading circular /Prev entries in cross-reference streams

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading the file. Patches This has been fixed in pypdf==6.7.2. Workarounds If users cannot upgrade yet, consider applying the changes from PR 3655...

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 reader.py, when loading circular /Prev entries in cross-reference streams. An attacker can cause the application ...

CVE-2026-27628 pypdf has a possible infinite loop when loading circular /Prev entries in cross-reference streams

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.2, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading the file. This has been fixed in pypdf 6.7.2. As a workaround, one may apply the patch manually...

CVE-2026-27628

CVE-2026-27628 affects the Python library pypdf. Before version 6.7.2, crafted PDFs could trigger an infinite loop when loading circular /Prev entries in cross-reference streams (requires reading the file). The issue has been fixed in pypdf 6.7.2; a patch can be manually applied as a workaround. ...

CVE-2026-27628 pypdf has a possible infinite loop when loading circular /Prev entries in cross-reference streams

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.2, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading the file. This has been fixed in pypdf 6.7.2. As a workaround, one may apply the patch manually...

EUVD-2025-24648

Malicious code in bioql PyPI...

DEBIAN-CVE-2025-55197

pypdf is a free and open-source pure-python PDF library. Prior to version 6.0.0, an attacker can craft a PDF which leads to the RAM being exhausted. This requires just reading the file if a series of FlateDecode filters is used on a malicious cross-reference stream. Other content streams are...