CVE-1999-1476 Denial of service in n/a
Local attackers can cause a system hang on Intel Pentium MMX/Overdrive processors by executing a specific invalid instruction.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-1999-1476?
CVE-1999-1476 is a low-severity denial of service vulnerability in n/a, published on 9 Mar 2002. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A bug in Intel Pentium processor (MMX and Overdrive) allows local users to cause a denial of service (hang) in Intel-based operating systems such as Windows NT and Windows 95, via an invalid instruction, aka the "Invalid Operand with Locked CMPXCHG8B Instruction" problem.
Which versions are affected by CVE-1999-1476?
It affects 2 products.
Products include Intel Pentium, Intel Pentuim.
How do I fix CVE-1999-1476?
No fix has been published for CVE-1999-1476 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-1999-1476 being exploited?
There is no known exploitation of CVE-1999-1476 in the wild and no public exploit code.
Sources
Also known as GHSA-9chc-c4xr-3frx.