CVE-2011-3336 Denial of service in macOS
A stack exhaustion vulnerability in the BSD libc regcomp function allows attackers to cause a denial of service on macOS systems.
- 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-2011-3336?
CVE-2011-3336 is a high-severity denial of service vulnerability in Apple Mac Os X, published on 12 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.
Weakness: CWE-400
Which versions are affected by CVE-2011-3336?
It affects 4 products.
Products include Apple Mac Os X, Freebsd Freebsd, Openbsd Openbsd, Php Php.
How do I fix CVE-2011-3336?
No fix has been published for CVE-2011-3336 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-2011-3336 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-3336 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Apple Mac Os X
Sources
Also known as GHSA-g49p-q335-6257.