CVE-2007-2445 Denial of service in n/a
Remote attackers can crash applications using libpng by supplying a grayscale PNG image with a malformed tRNS chunk CRC value.
- 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-2007-2445?
CVE-2007-2445 is a medium-severity denial of service vulnerability in n/a, published on 16 May 2007. 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
The png_handle_tRNS function in pngrutil.c in libpng before 1.0.25 and 1.2.x before 1.2.17 allows remote attackers to cause a denial of service (application crash) via a grayscale PNG image with a bad tRNS chunk CRC value.
Which versions are affected by CVE-2007-2445?
It affects 1 product.
Products include Png Reference Library Libpng.
How do I fix CVE-2007-2445?
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-2007-2445 being exploited?
There is no known exploitation of CVE-2007-2445 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2007-2445, GHSA-v9wg-49f7-4f43.