stb stb_image.h 2.19, as used in catimg, Emscripten, and other products, has a heap-based buffer overflow in the stbi__out_gif_code function.
2.3.2+dfsg-11.4.2-11.5.2-20.9.1-3ubuntu10.160-0ubuntu13.5~repack0-7build13.6~repack2-32.5.1-22.5.2-22.5.2-2ubuntu12.4.0-10.7.1-20.7.2-12.4.2+dfsg-41.5.2-21.7.3-1Exploitability
AV:NAC:LPR:NUI:RScope
S:UImpact
C:HI:HA:HCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H