PT-2026-126514

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists in the DOM: Events component...

PT-2026-126470

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists within the DOM: Core and HTM...

PT-2026-126502

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists within the DOM: Core and HTM...

PT-2026-126479

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists within the DOM: Core and HTM...

PT-2026-126513

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists in the DOM: Bindings WebIDL...

Mozilla Firefox security vulnerabilities

Mozilla Firefox has a security vulnerability stemming from use-after-free issues in its DOM: Core & HTML components, which may lead to memory corruption...

Mozilla Firefox security vulnerabilities

Mozilla Firefox has a security vulnerability stemming from post-free reuse in the DOM: Bindings WebIDL component...

Mozilla Firefox security vulnerabilities

A security vulnerability exists in Mozilla Firefox versions prior to 159, Firefox ESR versions prior to 115.44, and Firefox ESR versions prior to 153.6, as well as Thunderbird versions prior to 159 and Thunderbird versions prior to 153.6. This vulnerability stems from incorrect boundary condition...

PT-2026-126536

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists within the DOM: Core and HTML component. A use-after-free occurs...

PT-2026-126452

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists within the DOM: Core and HTM...

Mozilla Firefox security vulnerabilities

Mozilla Firefox has a security vulnerability stemming from a use-after-free issue in the DOM’s Events component, which may lead to memory corruption or arbitrary code execution...

Mozilla Firefox security vulnerabilities

Mozilla Firefox has a security vulnerability stemming from a use-after-free issue in its DOM: Core & HTML component...

Mozilla Firefox security vulnerabilities

A security vulnerability exists in Mozilla Firefox versions prior to 159 and Thunderbird versions prior to 159. This vulnerability stems from post-free reuse in the DOM Animation component...

PT-2026-126478

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists within the DOM: Core and HTM...

Mozilla Firefox security vulnerabilities

A security vulnerability exists in Mozilla Firefox versions prior to 159, Firefox ESR versions prior to 115.44, Firefox ESR versions prior to 153.6, Thunderbird versions prior to 159, and Thunderbird versions prior to 153.6. This vulnerability stems from a use-after-free issue in the DOM’s HTML...

Mozilla Firefox security vulnerabilities

A security vulnerability exists in Mozilla Firefox versions prior to 159, Firefox ESR versions prior to 153.6, Thunderbird versions prior to 159, and Thunderbird versions prior to 153.6. This vulnerability stems from a site isolation issue within Service Workers components in the DOM...

Mozilla Firefox security vulnerabilities

A security vulnerability exists in Mozilla Firefox versions prior to 159, Firefox ESR versions prior to 115.44, Firefox ESR versions prior to 153.6, Thunderbird versions prior to 159, and Thunderbird versions prior to 153.6. This vulnerability stems from a use-after-free issue in the DOM: Core &...

Mozilla Firefox security vulnerabilities

Mozilla Firefox has a security vulnerability stemming from incorrect boundary conditions in the Service Workers component within the DOM...

Mozilla Firefox security vulnerabilities

Mozilla Firefox has a security vulnerability stemming from a use-after-free issue in its DOM HTML parser component, which may lead to memory corruption...

Cure53 DOMPurify cross-site scripting vulnerability

Versions of Cure53 DOMPurify prior to 3.4.17 contain a cross-site scripting vulnerability. This vulnerability arises because after removing parent nodes or child nodes via the INPLACE hook, attackers within the subtree fail to traverse or neutralize the markers; as a result, event handlers such a...