CVE-2019-11766 Memory corruption in n/a
A buffer over-read in dhcpcd allows attackers to cause denial of service or disclose sensitive memory contents via crafted DHCPv6 packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-11766?
CVE-2019-11766 is a critical memory corruption vulnerability in Debian Debian Linux, published on 5 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
dhcp6.c in dhcpcd before 6.11.7 and 7.x before 7.2.2 has a buffer over-read in the D6_OPTION_PD_EXCLUDE feature.
Weakness: CWE-125
Which versions are affected by CVE-2019-11766?
It affects 2 products.
Products include Debian Debian Linux, Dhcpcd Project Dhcpcd.
How do I fix CVE-2019-11766?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-11766 being exploited?
There is no known exploitation of CVE-2019-11766 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2019-11766, GHSA-94fh-gx35-hmvh, UBUNTU-CVE-2019-11766.