Ubuntu Security Notice 2951-1 - Gustavo Grieco discovered that OptiPNG incorrectly handled memory. A remote attacker could use this issue with a specially crafted image file to cause OptiPNG to crash, resulting in a denial of service. Gustavo Grieco discovered that OptiPNG incorrectly handled memory. A remote attacker could use this issue with a specially crafted image file to cause OptiPNG to crash, resulting in a denial of service. Hans Jerry Illikainen discovered that OptiPNG incorrectly handled memory. A remote attacker could use this issue with a specially crafted image file to cause OptiPNG to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed. Continue reading...