Use After Free
CVE-2017-12671
Summary
In ImageMagick 7.0.6-3, a missing NULL assignment was found in coders/png.c, leading to an invalid free in the function RelinquishMagickMemory in MagickCore/memory.c, which allows attackers to cause a denial of service.
- LOW
- NETWORK
- NONE
- UNCHANGED
- REQUIRED
- NONE
- NONE
- HIGH
CWE-416 - Use After Free
Use-after-free (UaF) vulnerability occurs when the application is using a pointer to memory that has been freed. Any attempt to read/write to a buffer after it is de-allocated allows memory corruption, sensitive information exposure, and can potentially lead to arbitrary code execution.
Advisory Timeline
- Published