CVE-2025-1930 AudioIPC StreamData could trigger a use-after-free in the Browser process
A compromised content process can trigger a use-after-free in the browser process via AudioIPC, potentially leading to sandbox escape and code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-1930?
CVE-2025-1930 is a high-severity use after free vulnerability in Mozilla Firefox, published on 4 Mar 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-after-free in the Browser process. This could have led to a sandbox escape. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.
Weakness: CWE-416
Which versions are affected by CVE-2025-1930?
It affects 2 products.
Products include Mozilla Firefox, Mozilla Thunderbird.
How do I fix CVE-2025-1930?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2025-1930 being exploited?
There is no known exploitation of CVE-2025-1930 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-5289-2q6r-6q3g, UBUNTU-CVE-2025-1930.