CVE-2019-11934 Memory corruption in folly
An out-of-bounds read in AsyncSSLSocket due to improper close_notify handling can cause crashes or leak memory in applications using the folly 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-2019-11934?
CVE-2019-11934 is a critical memory corruption vulnerability in Facebook folly, published on 4 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper handling of close_notify alerts can result in an out-of-bounds read in AsyncSSLSocket. This issue affects folly prior to v2019.11.04.00.
Weakness: CWE-125
Which versions are affected by CVE-2019-11934?
It affects 1 product.
Products include Facebook Folly.
How do I fix CVE-2019-11934?
No fix has been published for CVE-2019-11934 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-2019-11934 being exploited?
There is no known exploitation of CVE-2019-11934 in the wild and no public exploit code.
Other vulnerabilities in Facebook folly
Sources
Also known as GHSA-87hj-px7p-jhf4.