CVE-2023-23606 Memory safety bugs fixed in Firefox 109
Memory safety bugs in Firefox allow attackers to potentially execute arbitrary code via crafted web content.
- 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-2023-23606?
CVE-2023-23606 is a high-severity memory corruption vulnerability in Mozilla Firefox, published on 2 Jun 2023. 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
Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 108. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 109.
Weakness: CWE-787
Which versions are affected by CVE-2023-23606?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2023-23606?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-23606 being exploited?
There is no known exploitation of CVE-2023-23606 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-gwc9-8q5h-cr4c, UBUNTU-CVE-2023-23606.