CVE-2019-19777 Memory corruption in n/a
A heap-based buffer over-read in the stb image loader allows attackers to cause denial of service or disclose sensitive memory contents.
- 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-2019-19777?
CVE-2019-19777 is a high-severity memory corruption vulnerability in n/a, published on 13 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
stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has a heap-based buffer over-read in stbi__load_main.
Weakness: CWE-125
Which versions are affected by CVE-2019-19777?
It affects 2 products.
Products include Nothings Stb Image.h, Saitoha Libsixel.
How do I fix CVE-2019-19777?
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-2019-19777 being exploited?
There is no known exploitation of CVE-2019-19777 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2023-45664 Double-free in stbi__load_gif_main_outofmem in stb_image
- CVE-2023-45666 Possible double-free or memory leak in stbi__load_gif_main in stb_image
- CVE-2023-43281 Use after free in n/a
- CVE-2023-45661 Wild address read in stbi__gif_load_next in stb_image
- CVE-2023-45662 Multi-byte read heap buffer overflow in stbi__vertical_flip in stb_image
Sources
Also known as DEBIAN-CVE-2019-19777, GHSA-6rrw-8mq7-2wvv, UBUNTU-CVE-2019-19777.