Regular expression Denial of Service - ReDoS

Description A Regular Expression Denial of Service ReDoS vulnerability was identified in the Transformers library, specifically in the file tokenizationgptneoxjapanese.py of the GPT-NeoX-Japanese model. The vulnerability occurs in the SubWordJapaneseTokenizer class, where regular expressions...

TorBot vulnerable to Inefficient Regular Expression Complexity in validate_link

Summary The torbot.modules.validators.validatelink function uses the python-validators URL validation regex. This particular regular expression has an exponential complexity which allows an attacker to cause an application crash using a well-crafted argument.. Details...

CVE-2023-45813 Inefficient Regular Expression Complexity in TorBot

Torbot is an open source tor network intelligence tool. In affected versions the torbot.modules.validators.validatelink function uses the python-validators URL validation regex. This particular regular expression has an exponential complexity which allows an attacker to cause an application crash...

Ruby on Rails: ReDoS in Rack::Multipart

A regular expression denial of service ReDoS vulnerability was discovered in the Rack gem's Multipart module. This vulnerability allowed an attacker to cause a denial of service by sending a specially crafted header, resulting in excessive CPU usage on the server. The vulnerability has been patch...

python-pygments: ReDoS in multiple lexers

A denial of service attack was discovered against pygments. Some of the regular expressions used to tokenise source code for highlighting have exponential complexity. A specially crafted input file could cause pygments to take effectively infinite time to parse, consuming CPU resources and denyin...

CVE-2021-27291

A denial of service attack was discovered against pygments. Some of the regular expressions used to tokenise source code for highlighting have exponential complexity. A specially crafted input file could cause pygments to take effectively infinite time to parse, consuming CPU resources and denyin...

CVE-2021-27291

In pygments 1.1+, fixed in 2.7.4, the lexers used to parse programming languages rely heavily on regular expressions. Some of the regular expressions have exponential or cubic worst-case complexity and are vulnerable to ReDoS. By crafting malicious input, an attacker can cause a denial of service...