CVE-2023-29531 Memory corruption in Firefox
An attacker can trigger memory corruption via WebGL APIs in Firefox and Thunderbird on macOS, potentially leading to code execution or crashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-29531?
CVE-2023-29531 is a critical memory corruption vulnerability in Mozilla Firefox, published on 19 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An attacker could have caused an out of bounds memory access using WebGL APIs, leading to memory corruption and a potentially exploitable crash.
*This bug only affects Firefox and Thunderbird for macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10.
Weakness: CWE-787
Which versions are affected by CVE-2023-29531?
It affects 3 products.
Products include Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.
How do I fix CVE-2023-29531?
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-2023-29531 being exploited?
There is no known exploitation of CVE-2023-29531 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-x2cj-cp2c-fxvp, UBUNTU-CVE-2023-29531.