Nokogiri CSS selector tokenizer has regular expression backtracking

Summary Nokogiri's CSS selector tokenizer contains regular expressions whose construction may result in exponential regex backtracking on adversarial selectors. Three ReDoS vectors are addressed in this release: 1. String-literal tokenization on certain unterminated quoted-string input. 2...

CVE-2026-7938

A use after free vulnerability in the CSS components of Google Chrome (prior to version 148.0.7778.96 ) allows a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Similar vulnerabilities were also identified in Microsoft Edge browsers. Remediation involves upgrad...

CVE-2026-7938

Use after free in CSS in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-7938

Use after free in CSS in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-7938

Use after free in CSS in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: Medium...

PT-2026-38487

Summary Nokogiri's CSS selector tokenizer contains regular expressions whose construction may result in exponential regex backtracking on adversarial selectors. Three ReDoS vectors are addressed in this release: 1. String-literal tokenization on certain unterminated quoted-string input. 2...

PT-2026-81359

Name of the Vulnerable Software and Affected Versions Nokogiri versions prior to 1.19.3 Description A regular expression denial of service exists in the CSS selector tokenizer, specifically affecting string-literal and identifier tokenization. Attackers can cause exponential regex backtracking,...

Nokogiri CSS selector tokenizer has regular expression backtracking

Summary Nokogiri's CSS selector tokenizer contains regular expressions whose construction may result in exponential regex backtracking on adversarial selectors. Three ReDoS vectors are addressed in this release: 1. String-literal tokenization on certain unterminated quoted-string input. 2...

OESA-2026-2129 emacs security update

Emacs is the extensible, customizable, self-documenting real-time display editor. At its core is an interpreter for Emacs Lisp, a dialect of the Lisp programming language with extensions to support text editing. And it is an entire ecosystem of functionality beyond text editing, including a proje...

OESA-2026-2131 emacs security update

Emacs is the extensible, customizable, self-documenting real-time display editor. At its core is an interpreter for Emacs Lisp, a dialect of the Lisp programming language with extensions to support text editing. And it is an entire ecosystem of functionality beyond text editing, including a proje...

Fedora 42 : emacs (2026-52dad6273a)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-52dad6273a advisory. Fix CVE-2026-6861: memory corruption vulnerability when processing SVG CSS. Tenable has extracted the preceding description block directly from the Fedora...

Medium: clamav1.4

Issue Overview: A vulnerability in the HTML Cascading Style Sheets CSS module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper error handling when splitting UTF-8 strings. An attacker...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : Roundcube Webmail vulnerabilities (USN-8223-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8223-1 advisory. It was discovered that Roundcube Webmail mishandled Punycode xn-- domain names. An attacker could possibl...

Amazon Linux 2023 : clamav1.5, clamav1.5-data, clamav1.5-devel (ALAS2023-2026-1631)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1631 advisory. A vulnerability in the HTML Cascading Style Sheets CSS module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device.This vulnerabili...

Google Chrome 145.0.7632.75 - CSSFontFeatureValuesMap

Exploit Title: Google Chrome 145.0.7632.75 - CSSFontFeatureValuesMap Date: 2026-02-23 Exploit Author: nu11secur1ty Vendor Homepage: https://www.google.com/chrome/ Software Link: https://www.google.com/chrome/ Version: Chrome = 144.x | Chrome 145.0.7632.75 Tested on: Windows 11 / Linux / macOS CVE...

Medium: clamav1.4

Issue Overview: A vulnerability in the HTML Cascading Style Sheets CSS module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper error handling when splitting UTF-8 strings. An attacker...

Medium: clamav1.5

Issue Overview: A vulnerability in the HTML Cascading Style Sheets CSS module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper error handling when splitting UTF-8 strings. An attacker...

Amazon Linux 2 : clamav1.4, --advisory ALAS2-2026-3276 (ALAS-2026-3276)

The version of clamav1.4 installed on the remote host is prior to 1.4.4-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3276 advisory. A vulnerability in the HTML Cascading Style Sheets CSS module of ClamAV could allow an unauthenticated, remote attacker to cause ...

Amazon Linux 2023 : clamav1.4, clamav1.4-data, clamav1.4-devel (ALAS2023-2026-1630)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1630 advisory. A vulnerability in the HTML Cascading Style Sheets CSS module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device.This vulnerabili...

USN-8223-1: Roundcube Webmail vulnerabilities

It was discovered that Roundcube Webmail mishandled Punycode xn-- domain names. An attacker could possibly use this issue to cause a homograph attack. CVE-2019-15237 It was discovered that Roundcube Webmail did not properly sanitize certain attributes when handling CSS within HTML messages and...