USN-7365-1: NLTK vulnerabilities

It was discovered that NLTK contained a regex that is susceptible to catastrophic backtracking. An attacker could possibly use this issue to cause a denial of service. CVE-2021-3842, CVE-2021-43854...

USN-7365-1 nltk vulnerabilities

It was discovered that NLTK contained a regex that is susceptible to catastrophic backtracking. An attacker could possibly use this issue to cause a denial of service. CVE-2021-3842, CVE-2021-43854...

CVE-2024-8763

A Regular Expression Denial of Service ReDoS vulnerability exists in the lunary-ai/lunary repository, specifically in the compileTextTemplate function. The affected version is git be54057. An attacker can exploit this vulnerability by manipulating the regular expression /.?/g, causing the server ...

SUSE CVE-2024-6839

corydolphin/flask-cors version 4.0.1 contains an improper regex path matching vulnerability. The plugin prioritizes longer regex patterns over more specific ones when matching paths, which can lead to less restrictive CORS policies being applied to sensitive endpoints. This mismatch in regex...

CVE-2024-6839

A flaw was found inflask-cors. This vulnerability allows unauthorized cross-origin access to sensitive data or functionality via improper regex path matching, prioritizing longer patterns over more specific ones. This issue leads to less restrictive CORS policies being applied to sensitive...

Improper Verification of Source of a Communication Channel

Overview Flask-Cors is an A Flask extension adding a decorator for CORS support Affected versions of this package are vulnerable to Improper Verification of Source of a Communication Channel due to improper application of regex path matching rules. An attacker can gain unauthorized cross-origin...

GHSA-7RXF-GVFG-47G4 Flask-CORS improper regex path matching vulnerability

corydolphin/flask-cors version 5.0.1 contains an improper regex path matching vulnerability. The plugin prioritizes longer regex patterns over more specific ones when matching paths, which can lead to less restrictive CORS policies being applied to sensitive endpoints. This mismatch in regex...

Flask-CORS improper regex path matching vulnerability

corydolphin/flask-cors version 5.0.1 contains an improper regex path matching vulnerability. The plugin prioritizes longer regex patterns over more specific ones when matching paths, which can lead to less restrictive CORS policies being applied to sensitive endpoints. This mismatch in regex...

Regular Expression Denial of Service (ReDoS)

Overview Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS through the /3/ParseSetup endpoint. An attacker can cause inefficient regular expression complexity, leading to the exhaustion of server resources and making the server unresponsive by applying...

H2O Vulnerable to Denial of Service (DoS) via `/3/ParseSetup` Endpoint

A vulnerability in the /3/ParseSetup endpoint of h2oai/h2o-3 version 3.46.0.1 allows for a denial of service DoS attack. The endpoint applies a user-specified regular expression to a user-controllable string. This can be exploited by an attacker to cause inefficient regular expression complexity,...

GHSA-WWR9-4GMR-XVQ9 H2O Vulnerable to Denial of Service (DoS) via `/3/Parse` Endpoint

A vulnerability in the /3/Parse endpoint of h2oai/h2o-3 version 3.46.0.1 allows for a denial of service DoS attack. The endpoint uses a user-specified string to construct a regular expression, which is then applied to another user-specified string. By sending multiple simultaneous requests, an...

CVE-2024-8764

A vulnerability in lunary-ai/lunary, as of commit be54057, allows users to upload and execute arbitrary regular expressions on the server side. This can lead to a Denial of Service DoS condition, as certain regular expressions can cause excessive resource consumption, blocking the server from...

CVE-2024-6839

corydolphin/flask-cors version 4.0.1 contains an improper regex path matching vulnerability. The plugin prioritizes longer regex patterns over more specific ones when matching paths, which can lead to less restrictive CORS policies being applied to sensitive endpoints. This mismatch in regex...

DEBIAN-CVE-2024-6839

corydolphin/flask-cors version 4.0.1 contains an improper regex path matching vulnerability. The plugin prioritizes longer regex patterns over more specific ones when matching paths, which can lead to less restrictive CORS policies being applied to sensitive endpoints. This mismatch in regex...

PYSEC-2025-94

A Regular Expression Denial of Service ReDoS vulnerability exists in gaizhenbiao/chuanhuchatgpt, as of commit 20b2e02. The server uses the regex pattern r'+' to parse user input. In Python's default regex engine, this pattern can take polynomial time to match certain crafted inputs. An attacker c...

PYSEC-2025-94

A Regular Expression Denial of Service ReDoS vulnerability exists in gaizhenbiao/chuanhuchatgpt, as of commit 20b2e02. The server uses the regex pattern r'+' to parse user input. In Python's default regex engine, this pattern can take polynomial time to match certain crafted inputs. An attacker c...

CVE-2024-10955

A Regular Expression Denial of Service ReDoS vulnerability exists in gaizhenbiao/chuanhuchatgpt, as of commit 20b2e02. The server uses the regex pattern r'+' to parse user input. In Python's default regex engine, this pattern can take polynomial time to match certain crafted inputs. An attacker c...

CVE-2024-10550

A vulnerability in the /3/ParseSetup endpoint of h2oai/h2o-3 version 3.46.0.1 allows for a denial of service DoS attack. The endpoint applies a user-specified regular expression to a user-controllable string. This can be exploited by an attacker to cause inefficient regular expression complexity,...

UBUNTU-CVE-2024-6839

corydolphin/flask-cors version 4.0.1 contains an improper regex path matching vulnerability. The plugin prioritizes longer regex patterns over more specific ones when matching paths, which can lead to less restrictive CORS policies being applied to sensitive endpoints. This mismatch in regex...

CVE-2024-8998 Regular Expression Denial of Service (ReDoS) in lunary-ai/lunary

A Regular Expression Denial of Service ReDoS vulnerability exists in lunary-ai/lunary version git f07a845. The server uses the regex /.?/ to match user-controlled strings. In the default JavaScript regex engine, this regex can take polynomial time to match certain crafted user inputs. As a result...