CSS Parser: Improper Certificate Validation allows MITM injection of remote CSS content

Summary The CSS Parser gem does not validate HTTPS connections, allowing a Man-in-the-Middle MITM attacker to inject or modify CSS content when stylesheets are loaded via HTTPS. The connection is established with OpenSSL::SSL::VERIFYNONE, meaning any HTTPS certificate—even entirely untrusted—will...

Unsafe Dependency Resolution

Overview Affected versions of this package are vulnerable to Unsafe Dependency Resolution due to improper validation of HTTPS certificates in the parser process. An attacker can inject or modify remote CSS content by performing a man-in-the-middle attack during stylesheet loading over HTTPS...

PT-2026-38404

Name of the Vulnerable Software and Affected Versions css parser versions prior to 1.22.0 css parser versions prior to 2.1.0 Description The software fails to validate HTTPS connections when loading stylesheets, which allows a Man-in-the-Middle MITM attacker to inject or modify CSS content. This...

Linux Distros Unpatched Vulnerability : CVE-2026-7938

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

EUVD-2026-27979

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...

GHSA-C4RQ-3M3G-8WGX 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...

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

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

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...

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...

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,...

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...

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...

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 ...