CVE-2021-20213 Null dereference in privoxy
A NULL pointer dereference in Privoxy causes a crash when intercepting requests with failed memory allocation, requiring non-default configuration.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-20213?
CVE-2021-20213 is a high-severity vulnerability in privoxy, published on 25 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A flaw was found in Privoxy in versions before 3.0.29. Dereference of a NULL-pointer that could result in a crash if accept-intercepted-requests was enabled, Privoxy failed to get the request destination from the Host header and a memory allocation failed.
Weakness: CWE-476
Which versions are affected by CVE-2021-20213?
It affects 1 product.
Products include Privoxy Privoxy.
How do I fix CVE-2021-20213?
Upgrade to a fixed version.
Is CVE-2021-20213 being exploited?
There is no known exploitation of CVE-2021-20213 in the wild and no public exploit code.
Other vulnerabilities in privoxy
Sources
Also known as ALPINE-CVE-2021-20213, DEBIAN-CVE-2021-20213, GHSA-gwg6-gwm3-3g4w, UBUNTU-CVE-2021-20213.