CVE-2019-20094 Memory corruption in n/a
A heap-based buffer overflow in libsixel allows attackers to execute arbitrary code or cause denial of service via crafted GIF 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-2019-20094?
CVE-2019-20094 is a high-severity memory corruption vulnerability in n/a, published on 30 Dec 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 libsixel 1.8.4. There is a heap-based buffer overflow in the function gif_init_frame at fromgif.c.
Weakness: CWE-787
Which versions are affected by CVE-2019-20094?
It affects 1 product.
Products include Saitoha Libsixel.
How do I fix CVE-2019-20094?
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-2019-20094 being exploited?
There is no known exploitation of CVE-2019-20094 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2019-20094, GHSA-chrg-f3r7-pjcq, UBUNTU-CVE-2019-20094.