A double-free vulnerability exists in fig2dev through 3.28a is affected by: via the free_stream function in readpics.c, which could cause a denial of service (context-dependent). https://sourceforge.net/p/mcj/tickets/125/
Created transfig tracking bugs for this issue: Affects: fedora-all [bug 2044570]
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2021-37529