CVE-2023-51104 Denial of service in n/a
A divide-by-zero error in MuPDF allows attackers to cause a denial of service via crafted PNM images.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-51104?
CVE-2023-51104 is a high-severity denial of service vulnerability in Artifex Mupdf, published on 26 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A floating point exception (divide-by-zero) vulnerability was discovered in Artifex MuPDF 1.23.4 in function pnm_binary_read_image() of load-pnm.c when span equals zero.
Weakness: CWE-369
Which versions are affected by CVE-2023-51104?
It affects 1 product.
Products include Artifex Mupdf.
How do I fix CVE-2023-51104?
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-2023-51104 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-51104 exists.
Other vulnerabilities in Artifex Mupdf
Sources
Also known as DEBIAN-CVE-2023-51104, GHSA-h26v-qgm2-w7j4, UBUNTU-CVE-2023-51104.