gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free. NOTE: the vendor's position is "The GD2 image format is a proprietary image format of libgd. It has to be regarded as being obsolete, and should only be used for development and testing purposes.
** EN DISPUTA ** la función gdImageGd2Ptr en el archivo gd_gd2.c en GD Graphics Library (también se conoce como LibGD) hasta la versión 2.3.2, presenta una doble liberación. NOTA: la posición del proveedor es "The GD2 image format is a proprietary image format of libgd. It has to be regarded as being obsolete, and should only be used for development and testing purposes."
It was discovered that GD Graphics Library incorrectly handled certain GD and GD2 files. An attacker could possibly use this issue to cause a crash or expose sensitive information. This issue only affected Ubuntu 20.04 LTS, Ubuntu 18.04 LTS, Ubuntu 16.04 ESM, and Ubuntu 14.04 ESM. It was discovered that GD Graphics Library incorrectly handled certain TGA files. An attacker could possibly use this issue to cause a denial of service or expose sensitive information. Various other issues were also addressed.
