Denial Of Service (DoS)

pypdf is vulnerable to Denial Of Service DoS. The vulnerability is due to manipulated FlateDecode XFA streams, where an attacker can craft a PDF that leads to RAM exhaustion by accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode...

SUSE CVE-2026-27888

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.3, an attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode...

pypdf: Manipulated FlateDecode XFA streams can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode. Patches This has been fixed in pypdf==6.7.3. Workarounds If...

EUVD-2026-8791

pypdf: Manipulated FlateDecode XFA streams can exhaust RAM...

GHSA-X7HP-R3QG-R3CJ pypdf: Manipulated FlateDecode XFA streams can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode. Patches This has been fixed in pypdf==6.7.3. Workarounds If...

CVE-2026-27888

A flaw was found in pypdf. A remote attacker can exploit this vulnerability by crafting a malicious PDF document. When a user processes this specially crafted PDF, it can lead to excessive memory consumption, resulting in a Denial of Service DoS for the affected system. This issue specifically...

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 via the xfa property of the reader or the writer when the corresponding strea...

CVE-2026-27888

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.3, an attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode...

UBUNTU-CVE-2026-27888

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.3, an attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode...

CVE-2026-27888 pypdf: Manipulated FlateDecode XFA streams can exhaust RAM

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.3, an attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode...

CVE-2026-27888

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.3, an attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode...

CVE-2026-27888

CVE-2026-27888 affects the pypdf library (Python) prior to 6.7.3. The issue arises when an attacker crafts a PDF that causes RAM exhaustion by accessing the reader/writer’s xfa property and a compressed stream using FlateDecode, leading to high availability impact. The vulnerability does not disc...

CVE-2026-27888

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.3, an attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode...

CVE-2026-27888

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.3, an attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode...

PT-2026-22068

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.7.3 Description A crafted PDF file can cause excessive RAM usage, potentially leading to exhaustion. This occurs when accessing the xfa property of a reader or writer, specifically when the corresponding stream is...

K000159609: Apache Tika vulnerability CVE-2025-66516

Security Advisory Description Critical XXE in Apache Tika tika-core 1.13-3.2.1, tika-pdf-module 2.0.0-3.2.1 and tika-parsers 1.13-1.28.5 modules on all platforms allows an attacker to carry out XML External Entity injection via a crafted XFA file inside of a PDF. This CVE covers the same...

Security Bulletin: IBM i Access Client Solutions is vulnerable to an attacker carrying out an XML External Entity injection via a crafted XFA file inside of a PDF (CVE-2025-66516)

Summary IBM i Access Client Solutions is vulnerable to an attacker carrying out an XML External Entity injection via a crafted XFA file inside of a PDF CVE-2025-66516. Apache Tika is used by the Run SQL Scripts feature of IBM i Access Client Solutions to determine the content type of binary colum...

CVE-2021-31460

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.1.37576. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the...

CVE-2021-31453

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.1.37576. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the...

CVE-2021-31476

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PhantomPDF 10.1.3.37598. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the...