File apcupsd-largebuf-overflow.patch of Package apcupsd
--- src/reports.c +++ src/reports.c @@ -107,8 +107,7 @@ avsnprintf(buf, sizeof(buf), fmt, ap); va_end(ap); - strncat(largebuf, buf, sizeof(largebuf)); - largebuf[sizeof(largebuf) - 1] = 0; + strncat(largebuf, buf, sizeof(largebuf)-strlen(largebuf)-1); stat_recs++; }