CVE-2019-17177 Denial of service in n/a
A memory leak in FreeRDP allows attackers to cause a denial of service by exhausting system memory through repeated operations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-17177?
CVE-2019-17177 is a high-severity denial of service vulnerability in Freerdp Freerdp, published on 4 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
libfreerdp/codec/region.c in FreeRDP through 1.1.x and 2.x through 2.0.0-rc4 has memory leaks because a supplied realloc pointer (i.e., the first argument to realloc) is also used for a realloc return value.
Weakness: CWE-401
Which versions are affected by CVE-2019-17177?
It affects 2 products.
Products include Freerdp Freerdp, Opensuse Leap.
How do I fix CVE-2019-17177?
Upgrade to a fixed version.
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-2019-17177 being exploited?
There is no known exploitation of CVE-2019-17177 in the wild and no public exploit code.
Other vulnerabilities in Freerdp Freerdp
- CVE-2021-37594 Other in n/a
- CVE-2021-37595 Other in n/a
- CVE-2026-67305 FreeRDP Windows Client before 3.29.0 Heap Buffer Overflow via Cliprdr
- CVE-2026-66402 FreeRDP before 3.29.0 TLS Certificate Identity Validation Bypass
- CVE-2026-67289 FreeRDP before 3.29.0 HTTP Proxy Request Injection via Redirection
Sources
Also known as DEBIAN-CVE-2019-17177, GHSA-phg4-6rh6-vr83, UBUNTU-CVE-2019-17177.