CVE-2023-25746 Memory corruption in Firefox ESR
Memory safety bugs in Firefox ESR and Thunderbird allow attackers to potentially execute arbitrary code via memory corruption.
- 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-2023-25746?
CVE-2023-25746 is a high-severity memory corruption vulnerability in Mozilla Firefox Esr, 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
Memory safety bugs present in Firefox ESR 102.7. 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 Thunderbird < 102.8 and Firefox ESR < 102.8.
Weakness: CWE-787
Which versions are affected by CVE-2023-25746?
It affects 2 products.
Products include Mozilla Firefox Esr, Mozilla Thunderbird.
How do I fix CVE-2023-25746?
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-2023-25746 being exploited?
There is no known exploitation of CVE-2023-25746 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox Esr
Sources
Also known as DEBIAN-CVE-2023-25746, GHSA-63m6-9qhj-8rqf, UBUNTU-CVE-2023-25746.