CVE-2011-2690 Memory corruption in n/a
Remote attackers can trigger a buffer overflow in libpng via crafted PNG images, potentially leading to arbitrary code execution or 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-2011-2690?
CVE-2011-2690 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 17 Jul 2011. 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
Buffer overflow in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4, when used by an application that calls the png_rgb_to_gray function but not the png_set_expand function, allows remote attackers to overwrite memory with an arbitrary amount of data, and possibly have unspecified other impact, via a crafted PNG image.
Weakness: CWE-120
Which versions are affected by CVE-2011-2690?
It affects 4 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Libpng Libpng.
How do I fix CVE-2011-2690?
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-2011-2690 being exploited?
There is no known exploitation of CVE-2011-2690 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as GHSA-45qx-49q8-7q26.