UBUNTU-CVE-2026-72818

The URLS regular expression in nltk/tokenize/casual.py, compiled into TweetTokenizer.WORDRE and applied by TweetTokenizer.tokenize, contains a naked-domain branch whose domain-label prefix a-z0-9+?:.-a-z0-9+ is unbounded. Input consisting of many alternating label separators can be partitioned in...

CVE-2026-72818

The URLS regular expression in nltk/tokenize/casual.py, compiled into TweetTokenizer.WORDRE and applied by TweetTokenizer.tokenize, contains a naked-domain branch whose domain-label prefix a-z0-9+?:.-a-z0-9+ is unbounded. Input consisting of many alternating label separators can be partitioned in...

CVE-2026-72818 NLTK TweetTokenizer URL Pattern Backtracks Catastrophically on Naked-Domain-Like Input

The URLS regular expression in nltk/tokenize/casual.py, compiled into TweetTokenizer.WORDRE and applied by TweetTokenizer.tokenize, contains a naked-domain branch whose domain-label prefix a-z0-9+?:.-a-z0-9+ is unbounded. Input consisting of many alternating label separators can be partitioned in...

CVE-2026-72818 NLTK TweetTokenizer URL Pattern Backtracks Catastrophically on Naked-Domain-Like Input

The URLS regular expression in nltk/tokenize/casual.py, compiled into TweetTokenizer.WORDRE and applied by TweetTokenizer.tokenize, contains a naked-domain branch whose domain-label prefix a-z0-9+?:.-a-z0-9+ is unbounded. Input consisting of many alternating label separators can be partitioned in...

CVE-2026-72818

The URLS regular expression in nltk/tokenize/casual.py, compiled into TweetTokenizer.WORDRE and applied by TweetTokenizer.tokenize, contains a naked-domain branch whose domain-label prefix a-z0-9+?:.-a-z0-9+ is unbounded. Input consisting of many alternating label separators can be partitioned in...

GHSA-2P39-2JF3-FV2Q next-video: Unauthenticated arbitrary file read via /api/video request handler

Impact The HTTP route handler exported by next-video/request-handler — which the README instructs consumers to mount at /api/video — allows an unauthenticated remote attacker to read arbitrary .json files from the production filesystem of any application following the documented setup. The...

Malicious Package

Overview optimize-regex is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package...

CVE-2026-77082 n8n before 1.123.69 ReDoS via Filter and Switch Node

n8n before 1.123.69, 2.x before 2.33.4, and 2.34.x before 2.34.1 contains a regular expression denial of service ReDoS vulnerability in the Filter and Switch nodes, which compile user-supplied regex patterns with new RegExp and execute them synchronously on the worker thread without complexity...

CVE-2026-77082 n8n before 1.123.69 ReDoS via Filter and Switch Node

n8n before 1.123.69, 2.x before 2.33.4, and 2.34.x before 2.34.1 contains a regular expression denial of service ReDoS vulnerability in the Filter and Switch nodes, which compile user-supplied regex patterns with new RegExp and execute them synchronously on the worker thread without complexity...

CVE-2026-77082 n8n before 1.123.69 ReDoS via Filter and Switch Node

n8n before 1.123.69, 2.x before 2.33.4, and 2.34.x before 2.34.1 contains a regular expression denial of service ReDoS vulnerability in the Filter and Switch nodes, which compile user-supplied regex patterns with new RegExp and execute them synchronously on the worker thread without complexity...

CVE-2026-77082

n8n before 1.123.69 , 2.x before 2.33.4 , and 2.34.x before 2.34.1 is affected by a ReDoS vulnerability in the Filter and Switch nodes . The root cause is that user-supplied regex patterns are compiled with new RegExp() and executed synchronously on the worker thread without complexity validation...

OESA-2026-3425 perl security update

Perl 5 is a highly capable, feature-rich programming language with over 30 years of development. Perl 5 runs on over 100 platforms from portables to mainframes and is suitable for both rapid prototyping and large scale development projects. Security Fixes: Perl versions through 5.45.1 have...

The vulnerability of regular expression functions in the PostgreSQL database management system allows a hacker to execute arbitrary code.

The vulnerability of regular expression functions in the PostgreSQL database management system is related to buffer overflows in dynamic memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

PT-2026-79260

Name of the Vulnerable Software and Affected Versions NLTK versions prior to 3.10.1 Description The URLS regular expression in nltk/tokenize/casual.py, which is compiled into TweetTokenizer.WORD RE and used by TweetTokenizer.tokenize, contains an unbounded domain-label prefix. When processing inp...

PT-2026-78937

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.69 n8n versions 2.x prior to 2.33.4 n8n versions 2.34.x prior to 2.34.1 Description A regular expression denial of service ReDoS exists in the Filter and Switch nodes. The issue occurs because user-supplied regex...

Oracle Linux 10 : perl-Date-Manip (ELSA-2026-56971)

The remote Oracle Linux 10 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2026-56971 advisory. 6.94-5.1 - Fix CVE-2026-60075: prevent quadratic-cost regex DoS in date/time parsing by rejecting overly long input strings Resolves: RHEL-239790 Tenable has...

CVE-2026-76401 Regular Expression Denial of Service (DoS) through the REST API in Splunk Connect for Kafka

In Splunk Connect for Kafka versions below 2.2.7, an unauthenticated user who can reach the Kafka Connect Representational State Transfer REST API could configure timestamp extraction with a crafted regular expression and matching event data to block a Kafka Connect worker thread, stopping event...

CVE-2026-62317 Logto: ReDoS via unescaped user input in email subaddressing regex (blockSubaddressing)

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, Logto's email subaddressing blocklist in packages/core/src/libraries/sign-in-experience/email-blocklist-policy.ts used the attacker-controlled domain from email input to construct subaddressingRegex when...

CVE-2026-62317 Logto: ReDoS via unescaped user input in email subaddressing regex (blockSubaddressing)

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, Logto's email subaddressing blocklist in packages/core/src/libraries/sign-in-experience/email-blocklist-policy.ts used the attacker-controlled domain from email input to construct subaddressingRegex when...

USN-8563-3: nginx vulnerability

USN-8563-1 fixed vulnerabilities in nginx. The fix for CVE-2026-42533 was backed out in USN-8563-2 because it could cause a regression. This update includes a better fix for CVE-2026-42533. We apologize for the inconvenience. Original advisory details: It was discovered that nginx incorrectly...