Mozilla Firefox and Thunderbird contain a race condition vulnerability when running the nsDocShell destructor under certain conditions. The race condition creates a use-after-free vulnerability, causing unspecified impacts.
Review the upstream advisory, identify the affected product in your inventory, and apply the vendor update when one is available.
Mozilla Firefox And Thunderbird Use-After-Free 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 contain a race condition vulnerability when running the nsDocShell destructor under certain conditions. The race condition creates a use-after-free vulnerability, causing unspecified impacts.
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 contain a race condition vulnerability when running the nsDocShell destructor under certain conditions. The race condition creates a use-after-free vulnerability, causing unspecified impacts.
Review the upstream advisory, identify the affected product in your inventory, and apply the vendor update when one is available.
Mozilla Firefox And Thunderbird Use-After-Free 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 contain a race condition vulnerability when running the nsDocShell destructor under certain conditions. The race condition creates a use-after-free vulnerability, causing unspecified impacts.
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