GHSA-RRF6-PXG8-684G FastAPI Guard has a regex bypass

Summary The regular expression patched to mitigate the ReDoS vulnerability by limiting the length of string fails to catch inputs that exceed this limit. Details In version 3.0.1, you can find a commit like the one in the link below, which was made to prevent ReDoS...

Transformers is vulnerable to ReDoS attack through its DonutProcessor class

A Regular Expression Denial of Service ReDoS vulnerability was discovered in the Hugging Face Transformers library, specifically within the DonutProcessor class's token2json method. This vulnerability affects versions 4.51.3 and earlier, and is fixed in version 4.52.1. The issue arises from the...

CVE-2025-3933

A Regular Expression Denial of Service ReDoS vulnerability was discovered in the Hugging Face Transformers library, specifically within the DonutProcessor class's token2json method. This vulnerability affects versions 4.50.3 and earlier, and is fixed in version 4.52.1. The issue arises from the...

CVE-2025-3933

CVE-2025-3933 (Hugging Face Transformers) A ReDoS vulnerability exists in the DonutProcessor.token2json() implementation where the regex pattern (and a similar pattern in later mention) can cause catastrophic backtracking and high CPU usage. Affected: Transformers versions 4.50.3 and earlier. Im...

CVE-2025-3933 Regular Expression Denial of Service (ReDoS) in huggingface/transformers

A Regular Expression Denial of Service ReDoS vulnerability was discovered in the Hugging Face Transformers library, specifically within the DonutProcessor class's token2json method. This vulnerability affects versions 4.50.3 and earlier, and is fixed in version 4.52.1. The issue arises from the...

fastapi-guard is vulnerable to ReDoS through inefficient regex

Summary fastapi-guard detects penetration attempts by using regex patterns to scan incoming requests. However, some of the regex patterns used in detection are extremely inefficient and can cause polynomial complexity backtracks when handling specially crafted inputs. It is not as severe as...

GHSA-J47Q-RC62-W448 fastapi-guard is vulnerable to ReDoS through inefficient regex

Summary fastapi-guard detects penetration attempts by using regex patterns to scan incoming requests. However, some of the regex patterns used in detection are extremely inefficient and can cause polynomial complexity backtracks when handling specially crafted inputs. It is not as severe as...

CVE-2025-53539 ReDoS in fastapi-guard's penetration attempts detector

FastAPI Guard is a security library for FastAPI that provides middleware to control IPs, log requests, and detect penetration attempts. fastapi-guard's penetration attempts detection uses regex to scan incoming requests. However, some of the regex patterns used in detection are extremely...

Transformers vulnerable to ReDoS attack through its get_imports() function

A Regular Expression Denial of Service ReDoS vulnerability was discovered in the Hugging Face Transformers library, specifically in the getimports function within dynamicmoduleutils.py. This vulnerability affects versions 4.49.0 and is fixed in version 4.51.0. The issue arises from a regular...

Transformers vulnerable to ReDoS attack through its SETTING_RE variable

A Regular Expression Denial of Service ReDoS vulnerability was discovered in the huggingface/transformers repository, specifically in version 4.49.0. The vulnerability is due to inefficient regular expression complexity in the SETTINGRE variable within the transformers/commands/chat.py file. The...

GHSA-JJPH-296X-MRCR Transformers vulnerable to ReDoS attack through its get_imports() function

A Regular Expression Denial of Service ReDoS vulnerability was discovered in the Hugging Face Transformers library, specifically in the getimports function within dynamicmoduleutils.py. This vulnerability affects versions 4.49.0 and is fixed in version 4.51.0. The issue arises from a regular...

GHSA-489J-G2VX-39WF Transformers vulnerable to ReDoS attack through its SETTING_RE variable

A Regular Expression Denial of Service ReDoS vulnerability was discovered in the huggingface/transformers repository, specifically in version 4.49.0. The vulnerability is due to inefficient regular expression complexity in the SETTINGRE variable within the transformers/commands/chat.py file. The...

GHSA-Q2WP-RJMX-X6X9 Transformers's ReDoS vulnerability in get_configuration_file can lead to catastrophic backtracking

A Regular Expression Denial of Service ReDoS vulnerability was discovered in the Hugging Face Transformers library, specifically in the getconfigurationfile function within the transformers.configurationutils module. The affected version is 4.49.0, and the issue is resolved in version 4.51.0. The...

CVE-2025-3263

CVE-2025-3263 in Hugging Face Transformers (get_configuration_file in transformers.configuration_utils) is a RegEx Denial of Service triggered by the pattern config.(.*).json. The issue affects v4.49.0 and is resolved in v4.51.0. Exploitation can cause high CPU usage, potentially disrupting model...

CVE-2025-48059

PowSyBl Power System Blocks is a framework to build power system oriented software. In com.powsybl:powsybl-iidm-criteria versions 6.3.0 to before 6.7.2 and com.powsybl:powsybl-contingency-api versions 5.0.0 to before 6.3.0, there is a a potential polynomial Regular Expression Denial of Service...

CVE-2025-48058

PowSyBl Power System Blocks is a framework to build power system oriented software. Prior to version 6.7.2, there is a potential polynomial Regular Expression Denial of Service ReDoS vulnerability in the PowSyBl's DataSource mechanism. If successfully exploited, a malicious actor can cause...

CVE-2025-48059

PowSyBl Power System Blocks is a framework to build power system oriented software. In com.powsybl:powsybl-iidm-criteria versions 6.3.0 to before 6.7.2 and com.powsybl:powsybl-contingency-api versions 5.0.0 to before 6.3.0, there is a a potential polynomial Regular Expression Denial of Service...

TencentOS Server 3: python-jinja2 (TSSA-2022:0187)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2022:0187 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

Regular Expression Denial Of Service (ReDoS)

brace-expansion is vulnerable to Regular Expression Denial of Service ReDoS. The vulnerability is due to inefficient handling of complex or nested patterns in regular expressions within the expand function of the file index.js, allows an attacker to remotely cause excessive resource consumption...

CVE-2025-49007 ReDoS Vulnerability in Rack::Multipart handle_mime_head

Rack is a modular Ruby web server interface. Starting in version 3.1.0 and prior to version 3.1.16, there is a denial of service vulnerability in the Content-Disposition parsing component of Rack. This is very similar to the previous security issue CVE-2022-44571. Carefully crafted input can caus...