Jenkins Git Client Plugin 2.8.4 and earlier and 3.0.0-rc did not properly restrict values passed as URL argument to an invocation of 'git ls-remote', resulting in OS command injection.

The proglottis Go wrapper before 0.1.1 for the GPGME library has a use-after-free, as demonstrated by use for container image pulls by Docker or CRI-O. This leads to a crash or potential code execution during GPG signature verification.