CVE-2023-5169 Memory corruption in Firefox
A compromised content process can trigger an out-of-bounds write in a privileged process, potentially allowing code execution or privilege escalation.
- 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-2023-5169?
CVE-2023-5169 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 27 Sep 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
A compromised content process could have provided malicious data in a `PathRecording` resulting in an out-of-bounds write, leading to a potentially exploitable crash in a privileged process. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
Weakness: CWE-787
Which versions are affected by CVE-2023-5169?
It affects 5 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.
How do I fix CVE-2023-5169?
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-2023-5169 being exploited?
There is no known exploitation of CVE-2023-5169 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2023-5169, GHSA-65f9-wqxf-mh9r, UBUNTU-CVE-2023-5169.