Mozilla Firefox and Thunderbird do not properly handle onreadystatechange events in conjunction with page reloading, which allows remote attackers to cause a denial-of-service (DoS) or possibly execute malicious code via a crafted web site.
Review the upstream advisory, identify the affected product in your inventory, and apply the vendor update when one is available.
Mozilla Firefox and Thunderbird Denial-of-Service Vulnerability is listed in the HOL Guard supply-chain feed, but affected software is not mapped to a package. Review the upstream advisory for the affected product and vendor guidance. This vulnerability is known to be exploited in the wild. Mozilla Firefox and Thunderbird do not properly handle onreadystatechange events in conjunction with page reloading, which allows remote attackers to cause a denial-of-service (DoS) or possibly execute malicious code via a crafted web site.
Affected software not mapped. Review the upstream record for vendor-specific product and version guidance.
No references were reported by the source.
Reported by CISA KEV (kev).
HOL Guard can help your team monitor supply-chain activity while the upstream record is clarified.
Explore HOL GuardMozilla Firefox and Thunderbird do not properly handle onreadystatechange events in conjunction with page reloading, which allows remote attackers to cause a denial-of-service (DoS) or possibly execute malicious code via a crafted web site.
Review the upstream advisory, identify the affected product in your inventory, and apply the vendor update when one is available.
Mozilla Firefox and Thunderbird Denial-of-Service Vulnerability is listed in the HOL Guard supply-chain feed, but affected software is not mapped to a package. Review the upstream advisory for the affected product and vendor guidance. This vulnerability is known to be exploited in the wild. Mozilla Firefox and Thunderbird do not properly handle onreadystatechange events in conjunction with page reloading, which allows remote attackers to cause a denial-of-service (DoS) or possibly execute malicious code via a crafted web site.
Affected software not mapped. Review the upstream record for vendor-specific product and version guidance.
No references were reported by the source.
Reported by CISA KEV (kev).
HOL Guard can help your team monitor supply-chain activity while the upstream record is clarified.
Explore HOL Guard