CVE-2026-37539 Memory corruption in n/a
Remote attackers can cause denial of service or execute arbitrary code via crafted CAN FD frames in the cannelloni library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-37539?
CVE-2026-37539 is a critical memory corruption vulnerability in n/a, published on 1 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer overflow vulnerability in cannelloni v2.0.0 in CAN frame parsing in parser.cpp in function parseCANFrame, and decoder.cpp in function decodeFrame allowing remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via crafted CAN FD frames.
Weakness: CWE-121
Which versions are affected by CVE-2026-37539?
How do I fix CVE-2026-37539?
No fix has been published for CVE-2026-37539 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-37539 being exploited?
There is no known exploitation of CVE-2026-37539 in the wild and no public exploit code.
Sources
Also known as GHSA-9j4x-6r48-xgv9.