CVE-2018-19059 Memory corruption in n/a
An out-of-bounds read in Poppler's file handling allows attackers to cause a denial of service via crafted PDF files.
- 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-2018-19059?
CVE-2018-19059 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 7 Nov 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
An issue was discovered in Poppler 0.71.0. There is a out-of-bounds read in EmbFile::save2 in FileSpec.cc, will lead to denial of service, as demonstrated by utils/pdfdetach.cc not validating embedded files before save attempts.
Weakness: CWE-125
Which versions are affected by CVE-2018-19059?
It affects 2 products.
Products include Canonical Ubuntu Linux, Freedesktop Poppler.
How do I fix CVE-2018-19059?
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-2018-19059 being exploited?
There is no known exploitation of CVE-2018-19059 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-19059, GHSA-r3qg-qq2r-grgr, UBUNTU-CVE-2018-19059.