CVE-2026-42467 Denial of service in n/a
Attackers can cause denial of service in Open-SAE-J1939 by sending crafted CAN frames, affecting systems using this J1939 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-2026-42467?
CVE-2026-42467 is a high-severity denial of service 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
An issue was discovered in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe (2025-11-30) in SAE_J1939_Read_Binary_Data_Transfer_DM16 causing a denial of service via crafted CAN frame on the J1939 bus.
Weakness: CWE-400
Which versions are affected by CVE-2026-42467?
How do I fix CVE-2026-42467?
No fix has been published for CVE-2026-42467 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-42467 being exploited?
There is no known exploitation of CVE-2026-42467 in the wild and no public exploit code.
Sources
Also known as GHSA-pxx9-rj94-2f9c.