RHSA-2024:0026

The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver.

Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling.

A use-after-free was identified in the `nsDNSService::Init`.

The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless mode.

Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5.

The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor.

A use-after-free condition affected TLS socket creation when under memory pressure.

`EncryptingOutputStream` was susceptible to exposing uninitialized data.

The `VideoBridge` allowed any content process to use textures produced by remote decoders.

The timing of a button click causing a popup to disappear was approximately the same length as the anti-clickjacking delay on permission prompts.

When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller than necessary.