user/libgd: multiple vulnerabilities
libgd-2.3.0 has three CVEs against it, all addressed in 2.3.1.
- Using uninitialized variables. (CVE-2019-11038)
- Heap-based buffer overflow. (CVE-2019-6977)
- Double-free in gdImage*Ptr(). (CVE-2019-6978)
libgd-2.3.0 has three CVEs against it, all addressed in 2.3.1.