A use-after-free vulnerability was discovered in the png_image_free() function in the libpng PNG library, which could lead to denial of service or potentially the execution of arbitrary code if a malformed image is processed. For the stable distribution (stretch), this problem has been fixed in version 1.6.28-1+deb9u1. We recommend that you upgrade your libpng1.6 packages. For the detailed security status of libpng1.6 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/libpng1.6
A use-after-free vulnerability was discovered in the png_image_free() function in the libpng PNG library, which could lead to denial of service or potentially the execution of arbitrary code if a malformed image is processed.
For the stable distribution (stretch), this problem has been fixed in version 1.6.28-1+deb9u1.
We recommend that you upgrade your libpng1.6 packages.
For the detailed security status of libpng1.6 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/libpng1.6
Vulmon