PyPDF's Manipulated FlateDecode streams can exhaust RAM

Impact An attacker who uses this vulnerability 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 affected on explicit access. Patches This has been...

gpt3discord (>=11.7.3, <=12.3.8) potentially affected by CVE-2025-55197 via pypdf (3.11.1)

pypdf PYPI version 3.11.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - gpt3discord =11.7.3, =12.3.8 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

cewler (1.2.0.post1), python-xdoc (>=0.1.0, <=0.1.1) potentially affected by CVE-2025-55197 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-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

calibreweb (0.6.20) potentially affected by CVE-2025-55197 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-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

indico (>=3.2.6, <=3.2.9) potentially affected by CVE-2025-55197 via pypdf (3.12.1)

pypdf PYPI version 3.12.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - indico =3.2.6, =3.2.9 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

pypdf 安全漏洞

pypdf is py-pdf open source a free open source pure python PDF library . The ability to split, merge, crop and convert pages of a PDF file. A security vulnerability exists in pypdf versions prior to 6.0.0, which stems from the fact that a malicious PDF could lead to RAM exhaustion, affecting...

PT-2025-33102

Name of the Vulnerable Software and Affected Versions: pypdf versions prior to 6.0.0 Description: pypdf is a free and open-source pure-python PDF library. An attacker can craft a PDF file that leads to exhaustion of RAM. This requires only reading the file if a series of FlateDecode filters are...

CVE-2025-55197: Uncontrolled Resource Consumption

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...

CVE-2023-36810

pypdf is a pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files. An attacker who uses this vulnerability can craft a PDF which leads to unexpected long runtime. This quadratic runtime blocks the current process and can utilize a single core of t...

CVE-2023-36807

pypdf is a pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files. In version 2.10.5 an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This infinite loop blocks the current process and can utilize a single co...

python-pypdf:fuzz_encryption: Segv on unknown address with empty stacktrace

Detailed Report: https://oss-fuzz.com/testcase?key=5026560194183168 Project: python-pypdf Fuzzing Engine: libFuzzer Fuzz Target: fuzzencryption Job Type: libfuzzerasanpython-pypdf Platform Id: linux Crash Type: Segv on unknown address Crash Address: Crash State: NULL Sanitizer: address ASAN Crash...

SUSE CVE-2023-36807

pypdf is a pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files. In version 2.10.5 an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This infinite loop blocks the current process and can utilize a single co...

SUSE CVE-2023-36810

pypdf is a pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files. An attacker who uses this vulnerability can craft a PDF which leads to unexpected long runtime. This quadratic runtime blocks the current process and can utilize a single core of t...

SUSE CVE-2023-46250

pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions 3.7.0 through 3.16.4 can craft a PDF which leads to an infinite loop. This infinite loop blocks the current process and can utilize a single core of the CPU by 100%. It does not affec...

Denial Of Service (DoS)

pypdf is vulnerable to Denial Of Service DoS. The vulnerability is caused by a missing validation check if the current object in a clone operation has already been visited so that it will not be added in to a list of objects to visit again. An attacker can craft a malicious PDF which can lead to ...

Possible Infinite Loop when PdfWriter(clone_from) is used with a PDF

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This infinite loop blocks the current process and can utilize a single core of the CPU by 100%. It does not affect memory usage. That is, for example, the case when the pypdf-user manipulates an incomi...

GHSA-WJCC-CQ79-P63F Possible Infinite Loop when PdfWriter(clone_from) is used with a PDF

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This infinite loop blocks the current process and can utilize a single core of the CPU by 100%. It does not affect memory usage. That is, for example, the case when the pypdf-user manipulates an incomi...

CVE-2023-46250

pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions 3.7.0 through 3.16.4 can craft a PDF which leads to an infinite loop. This infinite loop blocks the current process and can utilize a single core of the CPU by 100%. It does not affec...

CVE-2023-46250

pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions 3.7.0 through 3.16.4 can craft a PDF which leads to an infinite loop. This infinite loop blocks the current process and can utilize a single core of the CPU by 100%. It does not affec...

UBUNTU-CVE-2023-46250

pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions 3.7.0 through 3.16.4 can craft a PDF which leads to an infinite loop. This infinite loop blocks the current process and can utilize a single core of the CPU by 100%. It does not affec...