CVE-2018-16336 Memory corruption in n/a
Remote attackers can cause a denial of service via heap-based buffer over-read in Exiv2 by providing a crafted image file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-16336?
CVE-2018-16336 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 2 Sep 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Exiv2::Internal::PngChunk::parseTXTChunk in Exiv2 v0.26 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted image file, a different vulnerability than CVE-2018-10999.
Weakness: CWE-125
Which versions are affected by CVE-2018-16336?
It affects 3 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Exiv2 Exiv2.
How do I fix CVE-2018-16336?
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-2018-16336 being exploited?
There is no known exploitation of CVE-2018-16336 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-16336, GHSA-f8wg-6gh7-2p7p, UBUNTU-CVE-2018-16336.