CVE-2015-7505 Memory corruption in Libnsgif
A stack-based buffer overflow in Libnsgif allows attackers to cause a crash or execute arbitrary code via a crafted GIF file.
- 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-2015-7505?
CVE-2015-7505 is a high-severity memory corruption vulnerability in Libnsgif, published on 18 Feb 2020. 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
Stack-based buffer overflow in the gif_next_LZW function in libnsgif.c in Libnsgif 0.1.2 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted LZW stream in a GIF file.
Weakness: CWE-787
Which versions are affected by CVE-2015-7505?
It affects 1 product.
Products include Netsurf-Browser Libnsgif.
How do I fix CVE-2015-7505?
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-2015-7505 being exploited?
There is no known exploitation of CVE-2015-7505 in the wild and no public exploit code.
Other vulnerabilities in Libnsgif
Sources
Also known as DEBIAN-CVE-2015-7505, GHSA-6vr7-cx9r-8cjr.