CVE-2023-43615 Memory corruption in n/a
A buffer overflow in Mbed TLS allows attackers to execute arbitrary code or cause denial of service, requiring an upgrade to patched versions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-43615?
CVE-2023-43615 is a high-severity memory corruption vulnerability in Arm Mbed Tls, published on 7 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Mbed TLS 2.x before 2.28.5 and 3.x before 3.5.0 has a Buffer Overflow.
Weakness: CWE-120
Which versions are affected by CVE-2023-43615?
It affects 3 products.
Products include Arm Mbed Tls, Fedoraproject Fedora, Trustedfirmware Mbed Tls.
How do I fix CVE-2023-43615?
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-2023-43615 being exploited?
There is no known exploitation of CVE-2023-43615 in the wild and no public exploit code.
Other vulnerabilities in Arm Mbed Tls
Sources
Also known as ALPINE-CVE-2023-43615, DEBIAN-CVE-2023-43615, GHSA-656f-g689-89jh, JLSEC-2025-222, UBUNTU-CVE-2023-43615.