sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a call from eidenv.
More information on the vulnerability here:
Having a leak in command-line tool just before exit is hardly a security issue, I am not even going to patch it.
(In reply to Alon Bar-Lev from comment #2)
> Having a leak in command-line tool just before exit is hardly a security
> issue, I am not even going to patch it.
Even if the CVE authorities haven't done so yet... I am marking this as invalid, but I do expect MITRE and friends to do the same shortly.