lean-0010: Linux release builds linked GMP 6.1.2, which has an exploitable bug

Lean's Linux CI built against GMP 6.1.2, which has an exploitable bug; the fix requires GMP 6.3.0. Not a bug in Lean's own source. Listed among the runtime soundness bugs in the FRO's bug hunt; see also lean-0015.

Statusfixed
Fixed inv4.33.1
Subsystembuild
Guarantee broken
compiler-soundness
Mechanism
dependency
Symptom—
Severityunsoundness
Fools—
Discovery
fro-bug-hunt
Features—
References