CVE-2019-9545 Denial of service in n/a
A crafted PDF file can trigger a recursive function call in Poppler, causing a segmentation fault and denial of service.
- 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-2019-9545?
CVE-2019-9545 is a high-severity denial of service vulnerability in Freedesktop Poppler, published on 1 Mar 2019. 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 0.74.0. A recursive function call, in JBIG2Stream::readTextRegion() located in JBIG2Stream.cc, can be triggered by sending a crafted pdf file to (for example) the pdfimages binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact. This is related to JBIG2Bitmap::clearToZero.
Weakness: CWE-674
Which versions are affected by CVE-2019-9545?
It affects 1 product.
Products include Freedesktop Poppler.
How do I fix CVE-2019-9545?
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-2019-9545 being exploited?
There is no known exploitation of CVE-2019-9545 in the wild and no public exploit code.
Other vulnerabilities in Freedesktop Poppler
Sources
Also known as DEBIAN-CVE-2019-9545, ECHO-85ae-1b9c-0bb1, GHSA-qhp4-37x2-x9w9, UBUNTU-CVE-2019-9545.