The silc_http_server_parse function in lib/silchttp/silchttpserver.c in the internal HTTP server in silcd in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.9 allows remote attackers to overwrite a stack location and possibly execute arbitrary code via a crafted Content-Length header, related to incorrect use of a %lu format string.
Exploitability
AV:NAC:MAu:NImpact
C:NI:PA:P5.8/AV:N/AC:M/Au:N/C:N/I:P/A:P