Lucene search
K
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
API Reference
Support
Settings
Sign in

Mozilla: CSS Sanitizer performed incorrect sanitization

🗓️ 17 Dec 2020 15:12:36Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 6 Views

Mozilla advisory: certain input to the CSS sanitizer caused incorrect components to be removed, enabling a sanitizer bypass.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in Mozilla Firefox affect IBM Cloud Pak for Multicloud Management Monitoring
18 May 202111:41
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities of Mozilla Firefox (less than Firefox 78.9.0 ESR +  CVE-2020-26974) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF13 + CP4MCM2.2
12 May 202102:48
–ibm
ALT Linux		Security fix for the ALT Linux 10 package thunderbird version 78.6.0-alt1
15 Dec 202000:00
–altlinux
ALT Linux		Security fix for the ALT Linux 10 package firefox-esr version 78.6.0-alt1
14 Dec 202000:00
–altlinux
Tenable Nessus		Amazon Linux 2 : thunderbird (ALAS-2021-1586)
7 Jan 202100:00
–nessus
Tenable Nessus		CentOS 8 : firefox (CESA-2020:5562)
1 Feb 202100:00
–nessus
Tenable Nessus		CentOS 7 : firefox (RHSA-2020:5561)
9 Oct 202400:00
–nessus
Tenable Nessus		CentOS 7 : thunderbird (RHSA-2020:5618)
22 Dec 202000:00
–nessus
Tenable Nessus		Debian DLA-2496-1 : firefox-esr security update
17 Dec 202000:00
–nessus
Tenable Nessus		Debian DLA-2497-1 : thunderbird security update
18 Dec 202000:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7.9ppc64lethunderbird0:78.6.0-1.el7_9thunderbird-0:78.6.0-1.el7_9.ppc64le.rpm
Red Hat Enterprise Linux7.9x86_64thunderbird0:78.6.0-1.el7_9thunderbird-0:78.6.0-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux7.9ppc64lethunderbird-debuginfo0:78.6.0-1.el7_9thunderbird-debuginfo-0:78.6.0-1.el7_9.ppc64le.rpm
Red Hat Enterprise Linux7.9x86_64thunderbird-debuginfo0:78.6.0-1.el7_9thunderbird-debuginfo-0:78.6.0-1.el7_9.x86_64.rpm

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
25 Jun 2026 10:57Current
7.3High risk
Vulners AI Score7.3
CVSS 26.8
CVSS 3.18.8
EPSS0.0154
CWE-20
Css sanitizersanitizer bypassincorrect sanitizationmozilla advisoryinput confusion
6