Gentoo Linux Security Advisory 201801-2 - Multiple vulnerabilities have been found in OptiPNG, the worst of which may allow execution of arbitrary code. Versions less than 0.7.6-r2 are affected.
2710299668caa6e4ade73c163b6e8c5a3c4ae684a93062d2f345822c14501940
Debian Linux Security Advisory 4058-1 - Two vulnerabilities were discovered in optipng, an advanced PNG optimizer, which may result in denial of service or the execution of arbitrary code if a malformed file is processed.
b84c1a921adc41bca979394f25eb0fe5dae0ff87622f79d61a9e6db554e19f04
Ubuntu Security Notice 3495-1 - It was 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.
9a2b0afb95212034eda457751a8409bd3790121144231c5a778b06133163530a